Home / 881,058.16-1,321,387.86-407,483.56

Finding the Fourth Proportional to 881,058.16, 1,321,387.86 and 407,483.56

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Solution

The fourth proportional to 881,058.16, 1,321,387.86 and 407,483.56 is: 611,133.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,058.16 : 1,321,387.86 = 407,483.56 : x
  2. Step 2: Convert to fraction form
    881,058.16/1,321,387.86 = 407,483.56/x
  3. Step 3: Cross multiply
    881,058.16x = 1,321,387.86 × 407,483.56
  4. Step 4: Simplify right side
    881,058.16x = 538,443,829,333.58
  5. Step 5: Solve for x
    x = 538,443,829,333.58/881,058.16
  6. Step 6: Final answer
    x = 611,133.13

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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.