Home / 488,924.20-733,386.30-423,314.20

Finding the Fourth Proportional to 488,924.20, 733,386.30 and 423,314.20

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Solution

The fourth proportional to 488,924.20, 733,386.30 and 423,314.20 is: 634,971.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    488,924.20 : 733,386.30 = 423,314.20 : x
  2. Step 2: Convert to fraction form
    488,924.20/733,386.30 = 423,314.20/x
  3. Step 3: Cross multiply
    488,924.20x = 733,386.30 × 423,314.20
  4. Step 4: Simplify right side
    488,924.20x = 310,452,834,875.46
  5. Step 5: Solve for x
    x = 310,452,834,875.46/488,924.20
  6. Step 6: Final answer
    x = 634,971.30

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Similar ratio
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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.