Home / 924,513.96-1,384,403.16-639,810.32

Finding the Fourth Proportional to 924,513.96, 1,384,403.16 and 639,810.32

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Solution

The fourth proportional to 924,513.96, 1,384,403.16 and 639,810.32 is: 958,076.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    924,513.96 : 1,384,403.16 = 639,810.32 : x
  2. Step 2: Convert to fraction form
    924,513.96/1,384,403.16 = 639,810.32/x
  3. Step 3: Cross multiply
    924,513.96x = 1,384,403.16 × 639,810.32
  4. Step 4: Simplify right side
    924,513.96x = 885,755,428,808.61
  5. Step 5: Solve for x
    x = 885,755,428,808.61/924,513.96
  6. Step 6: Final answer
    x = 958,076.86

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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.