Home / 462,928.77-638,827.02-258,983.26

Finding the Fourth Proportional to 462,928.77, 638,827.02 and 258,983.26

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Solution

The fourth proportional to 462,928.77, 638,827.02 and 258,983.26 is: 357,388.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    462,928.77 : 638,827.02 = 258,983.26 : x
  2. Step 2: Convert to fraction form
    462,928.77/638,827.02 = 258,983.26/x
  3. Step 3: Cross multiply
    462,928.77x = 638,827.02 × 258,983.26
  4. Step 4: Simplify right side
    462,928.77x = 165,445,502,618.62
  5. Step 5: Solve for x
    x = 165,445,502,618.62/462,928.77
  6. Step 6: Final answer
    x = 357,388.68

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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.