Home / 930,382.32-1,284,127.56-567,728.40

Finding the Fourth Proportional to 930,382.32, 1,284,127.56 and 567,728.40

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Solution

The fourth proportional to 930,382.32, 1,284,127.56 and 567,728.40 is: 783,587.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,382.32 : 1,284,127.56 = 567,728.40 : x
  2. Step 2: Convert to fraction form
    930,382.32/1,284,127.56 = 567,728.40/x
  3. Step 3: Cross multiply
    930,382.32x = 1,284,127.56 × 567,728.40
  4. Step 4: Simplify right side
    930,382.32x = 729,035,685,034.70
  5. Step 5: Solve for x
    x = 729,035,685,034.70/930,382.32
  6. Step 6: Final answer
    x = 783,587.21

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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.