Home / 447,835.60-618,069.63-256,844.89

Finding the Fourth Proportional to 447,835.60, 618,069.63 and 256,844.89

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Solution

The fourth proportional to 447,835.60, 618,069.63 and 256,844.89 is: 354,478.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,835.60 : 618,069.63 = 256,844.89 : x
  2. Step 2: Convert to fraction form
    447,835.60/618,069.63 = 256,844.89/x
  3. Step 3: Cross multiply
    447,835.60x = 618,069.63 × 256,844.89
  4. Step 4: Simplify right side
    447,835.60x = 158,748,026,129.69
  5. Step 5: Solve for x
    x = 158,748,026,129.69/447,835.60
  6. Step 6: Final answer
    x = 354,478.35

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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.