Home / 1,272,030.31-1,755,403.14-699,058.18

Finding the Fourth Proportional to 1,272,030.31, 1,755,403.14 and 699,058.18

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Solution

The fourth proportional to 1,272,030.31, 1,755,403.14 and 699,058.18 is: 964,701.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,030.31 : 1,755,403.14 = 699,058.18 : x
  2. Step 2: Convert to fraction form
    1,272,030.31/1,755,403.14 = 699,058.18/x
  3. Step 3: Cross multiply
    1,272,030.31x = 1,755,403.14 × 699,058.18
  4. Step 4: Simplify right side
    1,272,030.31x = 1,227,128,924,214.69
  5. Step 5: Solve for x
    x = 1,227,128,924,214.69/1,272,030.31
  6. Step 6: Final answer
    x = 964,701.01

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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.