Home / 724,809.60-1,087,214.40-444,484.80

Finding the Fourth Proportional to 724,809.60, 1,087,214.40 and 444,484.80

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Solution

The fourth proportional to 724,809.60, 1,087,214.40 and 444,484.80 is: 666,727.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    724,809.60 : 1,087,214.40 = 444,484.80 : x
  2. Step 2: Convert to fraction form
    724,809.60/1,087,214.40 = 444,484.80/x
  3. Step 3: Cross multiply
    724,809.60x = 1,087,214.40 × 444,484.80
  4. Step 4: Simplify right side
    724,809.60x = 483,250,275,141.12
  5. Step 5: Solve for x
    x = 483,250,275,141.12/724,809.60
  6. Step 6: Final answer
    x = 666,727.20

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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.