Home / 739,052.16-1,020,332.64-484,845.12

Finding the Fourth Proportional to 739,052.16, 1,020,332.64 and 484,845.12

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Solution

The fourth proportional to 739,052.16, 1,020,332.64 and 484,845.12 is: 669,375.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,052.16 : 1,020,332.64 = 484,845.12 : x
  2. Step 2: Convert to fraction form
    739,052.16/1,020,332.64 = 484,845.12/x
  3. Step 3: Cross multiply
    739,052.16x = 1,020,332.64 × 484,845.12
  4. Step 4: Simplify right side
    739,052.16x = 494,703,301,280.72
  5. Step 5: Solve for x
    x = 494,703,301,280.72/739,052.16
  6. Step 6: Final answer
    x = 669,375.35

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Double scale
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Similar ratio
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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.