Home / 748,862.08-1,033,970.88-462,774.40

Finding the Fourth Proportional to 748,862.08, 1,033,970.88 and 462,774.40

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Solution

The fourth proportional to 748,862.08, 1,033,970.88 and 462,774.40 is: 638,963.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,862.08 : 1,033,970.88 = 462,774.40 : x
  2. Step 2: Convert to fraction form
    748,862.08/1,033,970.88 = 462,774.40/x
  3. Step 3: Cross multiply
    748,862.08x = 1,033,970.88 × 462,774.40
  4. Step 4: Simplify right side
    748,862.08x = 478,495,253,609.47
  5. Step 5: Solve for x
    x = 478,495,253,609.47/748,862.08
  6. Step 6: Final answer
    x = 638,963.12

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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.