Home / 651,787.40-977,778.30-231,030.20

Finding the Fourth Proportional to 651,787.40, 977,778.30 and 231,030.20

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Solution

The fourth proportional to 651,787.40, 977,778.30 and 231,030.20 is: 346,579.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,787.40 : 977,778.30 = 231,030.20 : x
  2. Step 2: Convert to fraction form
    651,787.40/977,778.30 = 231,030.20/x
  3. Step 3: Cross multiply
    651,787.40x = 977,778.30 × 231,030.20
  4. Step 4: Simplify right side
    651,787.40x = 225,896,316,204.66
  5. Step 5: Solve for x
    x = 225,896,316,204.66/651,787.40
  6. Step 6: Final answer
    x = 346,579.75

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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.