Home / 1,013,150.71-1,519,725.75-381,916.90

Finding the Fourth Proportional to 1,013,150.71, 1,519,725.75 and 381,916.90

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Solution

The fourth proportional to 1,013,150.71, 1,519,725.75 and 381,916.90 is: 572,875.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,150.71 : 1,519,725.75 = 381,916.90 : x
  2. Step 2: Convert to fraction form
    1,013,150.71/1,519,725.75 = 381,916.90/x
  3. Step 3: Cross multiply
    1,013,150.71x = 1,519,725.75 × 381,916.90
  4. Step 4: Simplify right side
    1,013,150.71x = 580,408,947,290.18
  5. Step 5: Solve for x
    x = 580,408,947,290.18/1,013,150.71
  6. Step 6: Final answer
    x = 572,875.23

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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.