Home / 578,220.80-867,331.20-536,230.40

Finding the Fourth Proportional to 578,220.80, 867,331.20 and 536,230.40

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Solution

The fourth proportional to 578,220.80, 867,331.20 and 536,230.40 is: 804,345.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,220.80 : 867,331.20 = 536,230.40 : x
  2. Step 2: Convert to fraction form
    578,220.80/867,331.20 = 536,230.40/x
  3. Step 3: Cross multiply
    578,220.80x = 867,331.20 × 536,230.40
  4. Step 4: Simplify right side
    578,220.80x = 465,089,356,308.48
  5. Step 5: Solve for x
    x = 465,089,356,308.48/578,220.80
  6. Step 6: Final answer
    x = 804,345.60

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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.