Home / 901,411.50-1,244,016.88-514,235.46

Finding the Fourth Proportional to 901,411.50, 1,244,016.88 and 514,235.46

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Solution

The fourth proportional to 901,411.50, 1,244,016.88 and 514,235.46 is: 709,684.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,411.50 : 1,244,016.88 = 514,235.46 : x
  2. Step 2: Convert to fraction form
    901,411.50/1,244,016.88 = 514,235.46/x
  3. Step 3: Cross multiply
    901,411.50x = 1,244,016.88 × 514,235.46
  4. Step 4: Simplify right side
    901,411.50x = 639,717,592,534.57
  5. Step 5: Solve for x
    x = 639,717,592,534.57/901,411.50
  6. Step 6: Final answer
    x = 709,684.30

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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.