Home / 346,966.82-478,549.98-298,650.92

Finding the Fourth Proportional to 346,966.82, 478,549.98 and 298,650.92

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Solution

The fourth proportional to 346,966.82, 478,549.98 and 298,650.92 is: 411,910.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,966.82 : 478,549.98 = 298,650.92 : x
  2. Step 2: Convert to fraction form
    346,966.82/478,549.98 = 298,650.92/x
  3. Step 3: Cross multiply
    346,966.82x = 478,549.98 × 298,650.92
  4. Step 4: Simplify right side
    346,966.82x = 142,919,391,792.98
  5. Step 5: Solve for x
    x = 142,919,391,792.98/346,966.82
  6. Step 6: Final answer
    x = 411,910.83

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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.