Home / 942,901.76-1,412,101.40-542,701.32

Finding the Fourth Proportional to 942,901.76, 1,412,101.40 and 542,701.32

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Solution

The fourth proportional to 942,901.76, 1,412,101.40 and 542,701.32 is: 812,756.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,901.76 : 1,412,101.40 = 542,701.32 : x
  2. Step 2: Convert to fraction form
    942,901.76/1,412,101.40 = 542,701.32/x
  3. Step 3: Cross multiply
    942,901.76x = 1,412,101.40 × 542,701.32
  4. Step 4: Simplify right side
    942,901.76x = 766,349,293,753.85
  5. Step 5: Solve for x
    x = 766,349,293,753.85/942,901.76
  6. Step 6: Final answer
    x = 812,756.24

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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.