Home / 540,376.41-745,812.05-314,153.13

Finding the Fourth Proportional to 540,376.41, 745,812.05 and 314,153.13

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Solution

The fourth proportional to 540,376.41, 745,812.05 and 314,153.13 is: 433,585.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    540,376.41 : 745,812.05 = 314,153.13 : x
  2. Step 2: Convert to fraction form
    540,376.41/745,812.05 = 314,153.13/x
  3. Step 3: Cross multiply
    540,376.41x = 745,812.05 × 314,153.13
  4. Step 4: Simplify right side
    540,376.41x = 234,299,189,899.22
  5. Step 5: Solve for x
    x = 234,299,189,899.22/540,376.41
  6. Step 6: Final answer
    x = 433,585.16

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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.