Home / 527,201.02-727,536.09-285,483.59

Finding the Fourth Proportional to 527,201.02, 727,536.09 and 285,483.59

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Solution

The fourth proportional to 527,201.02, 727,536.09 and 285,483.59 is: 393,966.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,201.02 : 727,536.09 = 285,483.59 : x
  2. Step 2: Convert to fraction form
    527,201.02/727,536.09 = 285,483.59/x
  3. Step 3: Cross multiply
    527,201.02x = 727,536.09 × 285,483.59
  4. Step 4: Simplify right side
    527,201.02x = 207,699,614,827.76
  5. Step 5: Solve for x
    x = 207,699,614,827.76/527,201.02
  6. Step 6: Final answer
    x = 393,966.64

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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.