Home / 816,807.60-1,225,211.40-591,109.20

Finding the Fourth Proportional to 816,807.60, 1,225,211.40 and 591,109.20

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Solution

The fourth proportional to 816,807.60, 1,225,211.40 and 591,109.20 is: 886,663.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,807.60 : 1,225,211.40 = 591,109.20 : x
  2. Step 2: Convert to fraction form
    816,807.60/1,225,211.40 = 591,109.20/x
  3. Step 3: Cross multiply
    816,807.60x = 1,225,211.40 × 591,109.20
  4. Step 4: Simplify right side
    816,807.60x = 724,233,730,484.88
  5. Step 5: Solve for x
    x = 724,233,730,484.88/816,807.60
  6. Step 6: Final answer
    x = 886,663.80

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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.