Home / 1,085,541.60-1,628,545.68-454,130.40

Finding the Fourth Proportional to 1,085,541.60, 1,628,545.68 and 454,130.40

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Solution

The fourth proportional to 1,085,541.60, 1,628,545.68 and 454,130.40 is: 681,293.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,085,541.60 : 1,628,545.68 = 454,130.40 : x
  2. Step 2: Convert to fraction form
    1,085,541.60/1,628,545.68 = 454,130.40/x
  3. Step 3: Cross multiply
    1,085,541.60x = 1,628,545.68 × 454,130.40
  4. Step 4: Simplify right side
    1,085,541.60x = 739,572,101,076.67
  5. Step 5: Solve for x
    x = 739,572,101,076.67/1,085,541.60
  6. Step 6: Final answer
    x = 681,293.19

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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.