Home / 766,030.50-1,057,129.38-426,506.04

Finding the Fourth Proportional to 766,030.50, 1,057,129.38 and 426,506.04

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Solution

The fourth proportional to 766,030.50, 1,057,129.38 and 426,506.04 is: 588,582.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,030.50 : 1,057,129.38 = 426,506.04 : x
  2. Step 2: Convert to fraction form
    766,030.50/1,057,129.38 = 426,506.04/x
  3. Step 3: Cross multiply
    766,030.50x = 1,057,129.38 × 426,506.04
  4. Step 4: Simplify right side
    766,030.50x = 450,872,065,631.46
  5. Step 5: Solve for x
    x = 450,872,065,631.46/766,030.50
  6. Step 6: Final answer
    x = 588,582.39

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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.