Home / 623,743.60-935,615.40-576,504.40

Finding the Fourth Proportional to 623,743.60, 935,615.40 and 576,504.40

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Solution

The fourth proportional to 623,743.60, 935,615.40 and 576,504.40 is: 864,756.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,743.60 : 935,615.40 = 576,504.40 : x
  2. Step 2: Convert to fraction form
    623,743.60/935,615.40 = 576,504.40/x
  3. Step 3: Cross multiply
    623,743.60x = 935,615.40 × 576,504.40
  4. Step 4: Simplify right side
    623,743.60x = 539,386,394,807.76
  5. Step 5: Solve for x
    x = 539,386,394,807.76/623,743.60
  6. Step 6: Final answer
    x = 864,756.60

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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.