Home / 527,180.34-727,510.14-285,465.78

Finding the Fourth Proportional to 527,180.34, 727,510.14 and 285,465.78

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Solution

The fourth proportional to 527,180.34, 727,510.14 and 285,465.78 is: 393,943.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,180.34 : 727,510.14 = 285,465.78 : x
  2. Step 2: Convert to fraction form
    527,180.34/727,510.14 = 285,465.78/x
  3. Step 3: Cross multiply
    527,180.34x = 727,510.14 × 285,465.78
  4. Step 4: Simplify right side
    527,180.34x = 207,679,249,573.01
  5. Step 5: Solve for x
    x = 207,679,249,573.01/527,180.34
  6. Step 6: Final answer
    x = 393,943.46

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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.