Home / 766,411.12-1,057,647.56-444,307.88

Finding the Fourth Proportional to 766,411.12, 1,057,647.56 and 444,307.88

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Solution

The fourth proportional to 766,411.12, 1,057,647.56 and 444,307.88 is: 613,145.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,411.12 : 1,057,647.56 = 444,307.88 : x
  2. Step 2: Convert to fraction form
    766,411.12/1,057,647.56 = 444,307.88/x
  3. Step 3: Cross multiply
    766,411.12x = 1,057,647.56 × 444,307.88
  4. Step 4: Simplify right side
    766,411.12x = 469,921,145,170.77
  5. Step 5: Solve for x
    x = 469,921,145,170.77/766,411.12
  6. Step 6: Final answer
    x = 613,145.00

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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.