Home / 942,416.56-1,300,437.75-560,369.53

Finding the Fourth Proportional to 942,416.56, 1,300,437.75 and 560,369.53

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Solution

The fourth proportional to 942,416.56, 1,300,437.75 and 560,369.53 is: 773,252.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,416.56 : 1,300,437.75 = 560,369.53 : x
  2. Step 2: Convert to fraction form
    942,416.56/1,300,437.75 = 560,369.53/x
  3. Step 3: Cross multiply
    942,416.56x = 1,300,437.75 × 560,369.53
  4. Step 4: Simplify right side
    942,416.56x = 728,725,690,761.76
  5. Step 5: Solve for x
    x = 728,725,690,761.76/942,416.56
  6. Step 6: Final answer
    x = 773,252.21

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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.