Home / 622,821.40-934,232.10-473,522.20

Finding the Fourth Proportional to 622,821.40, 934,232.10 and 473,522.20

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Solution

The fourth proportional to 622,821.40, 934,232.10 and 473,522.20 is: 710,283.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,821.40 : 934,232.10 = 473,522.20 : x
  2. Step 2: Convert to fraction form
    622,821.40/934,232.10 = 473,522.20/x
  3. Step 3: Cross multiply
    622,821.40x = 934,232.10 × 473,522.20
  4. Step 4: Simplify right side
    622,821.40x = 442,379,639,302.62
  5. Step 5: Solve for x
    x = 442,379,639,302.62/622,821.40
  6. Step 6: Final answer
    x = 710,283.30

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Half scale
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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.