Home / 942,721.62-1,300,985.18-534,840.66

Finding the Fourth Proportional to 942,721.62, 1,300,985.18 and 534,840.66

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Solution

The fourth proportional to 942,721.62, 1,300,985.18 and 534,840.66 is: 738,096.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,721.62 : 1,300,985.18 = 534,840.66 : x
  2. Step 2: Convert to fraction form
    942,721.62/1,300,985.18 = 534,840.66/x
  3. Step 3: Cross multiply
    942,721.62x = 1,300,985.18 × 534,840.66
  4. Step 4: Simplify right side
    942,721.62x = 695,819,772,321.42
  5. Step 5: Solve for x
    x = 695,819,772,321.42/942,721.62
  6. Step 6: Final answer
    x = 738,096.76

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1.5x scale

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.