Home / 838,587.96-1,157,215.28-476,005.23

Finding the Fourth Proportional to 838,587.96, 1,157,215.28 and 476,005.23

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Solution

The fourth proportional to 838,587.96, 1,157,215.28 and 476,005.23 is: 656,866.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,587.96 : 1,157,215.28 = 476,005.23 : x
  2. Step 2: Convert to fraction form
    838,587.96/1,157,215.28 = 476,005.23/x
  3. Step 3: Cross multiply
    838,587.96x = 1,157,215.28 × 476,005.23
  4. Step 4: Simplify right side
    838,587.96x = 550,840,523,135.89
  5. Step 5: Solve for x
    x = 550,840,523,135.89/838,587.96
  6. Step 6: Final answer
    x = 656,866.72

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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.