Home / 526,965.65-727,213.02-285,247.47

Finding the Fourth Proportional to 526,965.65, 727,213.02 and 285,247.47

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Solution

The fourth proportional to 526,965.65, 727,213.02 and 285,247.47 is: 393,641.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,965.65 : 727,213.02 = 285,247.47 : x
  2. Step 2: Convert to fraction form
    526,965.65/727,213.02 = 285,247.47/x
  3. Step 3: Cross multiply
    526,965.65x = 727,213.02 × 285,247.47
  4. Step 4: Simplify right side
    526,965.65x = 207,435,674,106.06
  5. Step 5: Solve for x
    x = 207,435,674,106.06/526,965.65
  6. Step 6: Final answer
    x = 393,641.74

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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.