Home / 1,215,592.74-1,823,389.92-317,032.20

Finding the Fourth Proportional to 1,215,592.74, 1,823,389.92 and 317,032.20

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Solution

The fourth proportional to 1,215,592.74, 1,823,389.92 and 317,032.20 is: 475,548.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,592.74 : 1,823,389.92 = 317,032.20 : x
  2. Step 2: Convert to fraction form
    1,215,592.74/1,823,389.92 = 317,032.20/x
  3. Step 3: Cross multiply
    1,215,592.74x = 1,823,389.92 × 317,032.20
  4. Step 4: Simplify right side
    1,215,592.74x = 578,073,317,795.42
  5. Step 5: Solve for x
    x = 578,073,317,795.42/1,215,592.74
  6. Step 6: Final answer
    x = 475,548.51

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Double scale
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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.