Home / 526,839.41-727,038.44-285,123.74

Finding the Fourth Proportional to 526,839.41, 727,038.44 and 285,123.74

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Solution

The fourth proportional to 526,839.41, 727,038.44 and 285,123.74 is: 393,470.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,839.41 : 727,038.44 = 285,123.74 : x
  2. Step 2: Convert to fraction form
    526,839.41/727,038.44 = 285,123.74/x
  3. Step 3: Cross multiply
    526,839.41x = 727,038.44 × 285,123.74
  4. Step 4: Simplify right side
    526,839.41x = 207,295,914,075.76
  5. Step 5: Solve for x
    x = 207,295,914,075.76/526,839.41
  6. Step 6: Final answer
    x = 393,470.78

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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.