Home / 418,113.28-577,000.64-227,130.40

Finding the Fourth Proportional to 418,113.28, 577,000.64 and 227,130.40

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Solution

The fourth proportional to 418,113.28, 577,000.64 and 227,130.40 is: 313,442.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,113.28 : 577,000.64 = 227,130.40 : x
  2. Step 2: Convert to fraction form
    418,113.28/577,000.64 = 227,130.40/x
  3. Step 3: Cross multiply
    418,113.28x = 577,000.64 × 227,130.40
  4. Step 4: Simplify right side
    418,113.28x = 131,054,386,163.46
  5. Step 5: Solve for x
    x = 131,054,386,163.46/418,113.28
  6. Step 6: Final answer
    x = 313,442.30

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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.