Home / 845,557.30-1,263,693.18-618,331.66

Finding the Fourth Proportional to 845,557.30, 1,263,693.18 and 618,331.66

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Solution

The fourth proportional to 845,557.30, 1,263,693.18 and 618,331.66 is: 924,102.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,557.30 : 1,263,693.18 = 618,331.66 : x
  2. Step 2: Convert to fraction form
    845,557.30/1,263,693.18 = 618,331.66/x
  3. Step 3: Cross multiply
    845,557.30x = 1,263,693.18 × 618,331.66
  4. Step 4: Simplify right side
    845,557.30x = 781,381,501,720.08
  5. Step 5: Solve for x
    x = 781,381,501,720.08/845,557.30
  6. Step 6: Final answer
    x = 924,102.37

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.