Home / 747,714.40-1,120,016.40-623,298.40

Finding the Fourth Proportional to 747,714.40, 1,120,016.40 and 623,298.40

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Solution

The fourth proportional to 747,714.40, 1,120,016.40 and 623,298.40 is: 933,651.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,714.40 : 1,120,016.40 = 623,298.40 : x
  2. Step 2: Convert to fraction form
    747,714.40/1,120,016.40 = 623,298.40/x
  3. Step 3: Cross multiply
    747,714.40x = 1,120,016.40 × 623,298.40
  4. Step 4: Simplify right side
    747,714.40x = 698,104,430,093.76
  5. Step 5: Solve for x
    x = 698,104,430,093.76/747,714.40
  6. Step 6: Final answer
    x = 933,651.18

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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.