Home / 989,228.16-1,363,625.28-606,545.28

Finding the Fourth Proportional to 989,228.16, 1,363,625.28 and 606,545.28

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Solution

The fourth proportional to 989,228.16, 1,363,625.28 and 606,545.28 is: 836,106.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,228.16 : 1,363,625.28 = 606,545.28 : x
  2. Step 2: Convert to fraction form
    989,228.16/1,363,625.28 = 606,545.28/x
  3. Step 3: Cross multiply
    989,228.16x = 1,363,625.28 × 606,545.28
  4. Step 4: Simplify right side
    989,228.16x = 827,100,477,272.68
  5. Step 5: Solve for x
    x = 827,100,477,272.68/989,228.16
  6. Step 6: Final answer
    x = 836,106.89

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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.