Home / 877,601.18-1,210,728.98-533,381.64

Finding the Fourth Proportional to 877,601.18, 1,210,728.98 and 533,381.64

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Solution

The fourth proportional to 877,601.18, 1,210,728.98 and 533,381.64 is: 735,847.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,601.18 : 1,210,728.98 = 533,381.64 : x
  2. Step 2: Convert to fraction form
    877,601.18/1,210,728.98 = 533,381.64/x
  3. Step 3: Cross multiply
    877,601.18x = 1,210,728.98 × 533,381.64
  4. Step 4: Simplify right side
    877,601.18x = 645,780,606,281.02
  5. Step 5: Solve for x
    x = 645,780,606,281.02/877,601.18
  6. Step 6: Final answer
    x = 735,847.47

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.