Home / 929,220.44-1,280,966.88-656,807.72

Finding the Fourth Proportional to 929,220.44, 1,280,966.88 and 656,807.72

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Solution

The fourth proportional to 929,220.44, 1,280,966.88 and 656,807.72 is: 905,435.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,220.44 : 1,280,966.88 = 656,807.72 : x
  2. Step 2: Convert to fraction form
    929,220.44/1,280,966.88 = 656,807.72/x
  3. Step 3: Cross multiply
    929,220.44x = 1,280,966.88 × 656,807.72
  4. Step 4: Simplify right side
    929,220.44x = 841,348,935,848.31
  5. Step 5: Solve for x
    x = 841,348,935,848.31/929,220.44
  6. Step 6: Final answer
    x = 905,435.24

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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.