Home / 763,072.20-1,144,608.30-586,470.60

Finding the Fourth Proportional to 763,072.20, 1,144,608.30 and 586,470.60

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Solution

The fourth proportional to 763,072.20, 1,144,608.30 and 586,470.60 is: 879,705.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,072.20 : 1,144,608.30 = 586,470.60 : x
  2. Step 2: Convert to fraction form
    763,072.20/1,144,608.30 = 586,470.60/x
  3. Step 3: Cross multiply
    763,072.20x = 1,144,608.30 × 586,470.60
  4. Step 4: Simplify right side
    763,072.20x = 671,279,116,465.98
  5. Step 5: Solve for x
    x = 671,279,116,465.98/763,072.20
  6. Step 6: Final answer
    x = 879,705.90

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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.