Home / 766,024.76-1,057,095.42-426,485.72

Finding the Fourth Proportional to 766,024.76, 1,057,095.42 and 426,485.72

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Solution

The fourth proportional to 766,024.76, 1,057,095.42 and 426,485.72 is: 588,539.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,024.76 : 1,057,095.42 = 426,485.72 : x
  2. Step 2: Convert to fraction form
    766,024.76/1,057,095.42 = 426,485.72/x
  3. Step 3: Cross multiply
    766,024.76x = 1,057,095.42 × 426,485.72
  4. Step 4: Simplify right side
    766,024.76x = 450,836,101,307.40
  5. Step 5: Solve for x
    x = 450,836,101,307.40/766,024.76
  6. Step 6: Final answer
    x = 588,539.86

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.