Home / 913,899.94-1,261,221.32-506,001.76

Finding the Fourth Proportional to 913,899.94, 1,261,221.32 and 506,001.76

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Solution

The fourth proportional to 913,899.94, 1,261,221.32 and 506,001.76 is: 698,304.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,899.94 : 1,261,221.32 = 506,001.76 : x
  2. Step 2: Convert to fraction form
    913,899.94/1,261,221.32 = 506,001.76/x
  3. Step 3: Cross multiply
    913,899.94x = 1,261,221.32 × 506,001.76
  4. Step 4: Simplify right side
    913,899.94x = 638,180,205,781.47
  5. Step 5: Solve for x
    x = 638,180,205,781.47/913,899.94
  6. Step 6: Final answer
    x = 698,304.24

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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.