Home / 369,331.20-553,219.20-307,123.20

Finding the Fourth Proportional to 369,331.20, 553,219.20 and 307,123.20

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Solution

The fourth proportional to 369,331.20, 553,219.20 and 307,123.20 is: 460,038.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    369,331.20 : 553,219.20 = 307,123.20 : x
  2. Step 2: Convert to fraction form
    369,331.20/553,219.20 = 307,123.20/x
  3. Step 3: Cross multiply
    369,331.20x = 553,219.20 × 307,123.20
  4. Step 4: Simplify right side
    369,331.20x = 169,906,451,005.44
  5. Step 5: Solve for x
    x = 169,906,451,005.44/369,331.20
  6. Step 6: Final answer
    x = 460,038.17

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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.