Home / 260,046.30-390,069.45-224,616.90

Finding the Fourth Proportional to 260,046.30, 390,069.45 and 224,616.90

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Solution

The fourth proportional to 260,046.30, 390,069.45 and 224,616.90 is: 336,925.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    260,046.30 : 390,069.45 = 224,616.90 : x
  2. Step 2: Convert to fraction form
    260,046.30/390,069.45 = 224,616.90/x
  3. Step 3: Cross multiply
    260,046.30x = 390,069.45 × 224,616.90
  4. Step 4: Simplify right side
    260,046.30x = 87,616,190,643.71
  5. Step 5: Solve for x
    x = 87,616,190,643.71/260,046.30
  6. Step 6: Final answer
    x = 336,925.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.