Home / 766,663.16-1,057,970.35-440,029.93

Finding the Fourth Proportional to 766,663.16, 1,057,970.35 and 440,029.93

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Solution

The fourth proportional to 766,663.16, 1,057,970.35 and 440,029.93 is: 607,227.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,663.16 : 1,057,970.35 = 440,029.93 : x
  2. Step 2: Convert to fraction form
    766,663.16/1,057,970.35 = 440,029.93/x
  3. Step 3: Cross multiply
    766,663.16x = 1,057,970.35 × 440,029.93
  4. Step 4: Simplify right side
    766,663.16x = 465,538,619,052.58
  5. Step 5: Solve for x
    x = 465,538,619,052.58/766,663.16
  6. Step 6: Final answer
    x = 607,227.06

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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.