Home / 838,775.23-1,157,542.58-476,232.83

Finding the Fourth Proportional to 838,775.23, 1,157,542.58 and 476,232.83

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Solution

The fourth proportional to 838,775.23, 1,157,542.58 and 476,232.83 is: 657,219.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,775.23 : 1,157,542.58 = 476,232.83 : x
  2. Step 2: Convert to fraction form
    838,775.23/1,157,542.58 = 476,232.83/x
  3. Step 3: Cross multiply
    838,775.23x = 1,157,542.58 × 476,232.83
  4. Step 4: Simplify right side
    838,775.23x = 551,259,778,462.56
  5. Step 5: Solve for x
    x = 551,259,778,462.56/838,775.23
  6. Step 6: Final answer
    x = 657,219.91

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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.