Home / 1,038,081.28-1,432,554.24-561,153.28

Finding the Fourth Proportional to 1,038,081.28, 1,432,554.24 and 561,153.28

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Solution

The fourth proportional to 1,038,081.28, 1,432,554.24 and 561,153.28 is: 774,392.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,038,081.28 : 1,432,554.24 = 561,153.28 : x
  2. Step 2: Convert to fraction form
    1,038,081.28/1,432,554.24 = 561,153.28/x
  3. Step 3: Cross multiply
    1,038,081.28x = 1,432,554.24 × 561,153.28
  4. Step 4: Simplify right side
    1,038,081.28x = 803,882,510,553.91
  5. Step 5: Solve for x
    x = 803,882,510,553.91/1,038,081.28
  6. Step 6: Final answer
    x = 774,392.65

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Double scale
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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.