Home / 1,056,916.16-1,585,571.73-480,581.78

Finding the Fourth Proportional to 1,056,916.16, 1,585,571.73 and 480,581.78

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Solution

The fourth proportional to 1,056,916.16, 1,585,571.73 and 480,581.78 is: 720,962.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,056,916.16 : 1,585,571.73 = 480,581.78 : x
  2. Step 2: Convert to fraction form
    1,056,916.16/1,585,571.73 = 480,581.78/x
  3. Step 3: Cross multiply
    1,056,916.16x = 1,585,571.73 × 480,581.78
  4. Step 4: Simplify right side
    1,056,916.16x = 761,996,874,591.04
  5. Step 5: Solve for x
    x = 761,996,874,591.04/1,056,916.16
  6. Step 6: Final answer
    x = 720,962.46

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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.