Home / 639,153.73-882,002.64-367,030.18

Finding the Fourth Proportional to 639,153.73, 882,002.64 and 367,030.18

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Solution

The fourth proportional to 639,153.73, 882,002.64 and 367,030.18 is: 506,484.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    639,153.73 : 882,002.64 = 367,030.18 : x
  2. Step 2: Convert to fraction form
    639,153.73/882,002.64 = 367,030.18/x
  3. Step 3: Cross multiply
    639,153.73x = 882,002.64 × 367,030.18
  4. Step 4: Simplify right side
    639,153.73x = 323,721,587,719.68
  5. Step 5: Solve for x
    x = 323,721,587,719.68/639,153.73
  6. Step 6: Final answer
    x = 506,484.70

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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.