Home / 816,876.21-1,224,406.31-616,547.01

Finding the Fourth Proportional to 816,876.21, 1,224,406.31 and 616,547.01

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Solution

The fourth proportional to 816,876.21, 1,224,406.31 and 616,547.01 is: 924,135.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,876.21 : 1,224,406.31 = 616,547.01 : x
  2. Step 2: Convert to fraction form
    816,876.21/1,224,406.31 = 616,547.01/x
  3. Step 3: Cross multiply
    816,876.21x = 1,224,406.31 × 616,547.01
  4. Step 4: Simplify right side
    816,876.21x = 754,904,046,372.90
  5. Step 5: Solve for x
    x = 754,904,046,372.90/816,876.21
  6. Step 6: Final answer
    x = 924,135.18

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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.