Home / 809,267.60-1,213,901.40-651,803.60

Finding the Fourth Proportional to 809,267.60, 1,213,901.40 and 651,803.60

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Solution

The fourth proportional to 809,267.60, 1,213,901.40 and 651,803.60 is: 977,705.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,267.60 : 1,213,901.40 = 651,803.60 : x
  2. Step 2: Convert to fraction form
    809,267.60/1,213,901.40 = 651,803.60/x
  3. Step 3: Cross multiply
    809,267.60x = 1,213,901.40 × 651,803.60
  4. Step 4: Simplify right side
    809,267.60x = 791,225,302,565.04
  5. Step 5: Solve for x
    x = 791,225,302,565.04/809,267.60
  6. Step 6: Final answer
    x = 977,705.40

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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.