Home / 877,456.50-1,316,184.93-316,490.94

Finding the Fourth Proportional to 877,456.50, 1,316,184.93 and 316,490.94

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Solution

The fourth proportional to 877,456.50, 1,316,184.93 and 316,490.94 is: 474,736.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,456.50 : 1,316,184.93 = 316,490.94 : x
  2. Step 2: Convert to fraction form
    877,456.50/1,316,184.93 = 316,490.94/x
  3. Step 3: Cross multiply
    877,456.50x = 1,316,184.93 × 316,490.94
  4. Step 4: Simplify right side
    877,456.50x = 416,560,605,709.53
  5. Step 5: Solve for x
    x = 416,560,605,709.53/877,456.50
  6. Step 6: Final answer
    x = 474,736.47

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Half scale
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Double scale
Find fourth proportional to 877,457.50, 1,316,186.43 and 316,491.94
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.