Home / 726,355.30-1,089,532.95-558,199.30

Finding the Fourth Proportional to 726,355.30, 1,089,532.95 and 558,199.30

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Solution

The fourth proportional to 726,355.30, 1,089,532.95 and 558,199.30 is: 837,298.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,355.30 : 1,089,532.95 = 558,199.30 : x
  2. Step 2: Convert to fraction form
    726,355.30/1,089,532.95 = 558,199.30/x
  3. Step 3: Cross multiply
    726,355.30x = 1,089,532.95 × 558,199.30
  4. Step 4: Simplify right side
    726,355.30x = 608,176,530,016.94
  5. Step 5: Solve for x
    x = 608,176,530,016.94/726,355.30
  6. Step 6: Final answer
    x = 837,298.95

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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.