Home / 623,902.10-935,853.15-340,466.90

Finding the Fourth Proportional to 623,902.10, 935,853.15 and 340,466.90

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Solution

The fourth proportional to 623,902.10, 935,853.15 and 340,466.90 is: 510,700.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,902.10 : 935,853.15 = 340,466.90 : x
  2. Step 2: Convert to fraction form
    623,902.10/935,853.15 = 340,466.90/x
  3. Step 3: Cross multiply
    623,902.10x = 935,853.15 × 340,466.90
  4. Step 4: Simplify right side
    623,902.10x = 318,627,020,835.74
  5. Step 5: Solve for x
    x = 318,627,020,835.74/623,902.10
  6. Step 6: Final answer
    x = 510,700.35

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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.