Home / 877,438.93-1,316,158.80-316,473.43

Finding the Fourth Proportional to 877,438.93, 1,316,158.80 and 316,473.43

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Solution

The fourth proportional to 877,438.93, 1,316,158.80 and 316,473.43 is: 474,710.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,438.93 : 1,316,158.80 = 316,473.43 : x
  2. Step 2: Convert to fraction form
    877,438.93/1,316,158.80 = 316,473.43/x
  3. Step 3: Cross multiply
    877,438.93x = 1,316,158.80 × 316,473.43
  4. Step 4: Simplify right side
    877,438.93x = 416,529,289,860.68
  5. Step 5: Solve for x
    x = 416,529,289,860.68/877,438.93
  6. Step 6: Final answer
    x = 474,710.29

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Double scale
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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.