Home / 462,922.60-638,807.45-258,934.16

Finding the Fourth Proportional to 462,922.60, 638,807.45 and 258,934.16

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Solution

The fourth proportional to 462,922.60, 638,807.45 and 258,934.16 is: 357,314.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,922.60 : 638,807.45 = 258,934.16 : x
  2. Step 2: Convert to fraction form
    462,922.60/638,807.45 = 258,934.16/x
  3. Step 3: Cross multiply
    462,922.60x = 638,807.45 × 258,934.16
  4. Step 4: Simplify right side
    462,922.60x = 165,409,069,172.82
  5. Step 5: Solve for x
    x = 165,409,069,172.82/462,922.60
  6. Step 6: Final answer
    x = 357,314.74

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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.