Home / 746,016.50-1,119,355.54-390,946.12

Finding the Fourth Proportional to 746,016.50, 1,119,355.54 and 390,946.12

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Solution

The fourth proportional to 746,016.50, 1,119,355.54 and 390,946.12 is: 586,592.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,016.50 : 1,119,355.54 = 390,946.12 : x
  2. Step 2: Convert to fraction form
    746,016.50/1,119,355.54 = 390,946.12/x
  3. Step 3: Cross multiply
    746,016.50x = 1,119,355.54 × 390,946.12
  4. Step 4: Simplify right side
    746,016.50x = 437,607,701,487.75
  5. Step 5: Solve for x
    x = 437,607,701,487.75/746,016.50
  6. Step 6: Final answer
    x = 586,592.52

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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.