Home / 880,155.57-1,214,618.67-498,256.23

Finding the Fourth Proportional to 880,155.57, 1,214,618.67 and 498,256.23

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Solution

The fourth proportional to 880,155.57, 1,214,618.67 and 498,256.23 is: 687,595.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,155.57 : 1,214,618.67 = 498,256.23 : x
  2. Step 2: Convert to fraction form
    880,155.57/1,214,618.67 = 498,256.23/x
  3. Step 3: Cross multiply
    880,155.57x = 1,214,618.67 × 498,256.23
  4. Step 4: Simplify right side
    880,155.57x = 605,191,319,401.81
  5. Step 5: Solve for x
    x = 605,191,319,401.81/880,155.57
  6. Step 6: Final answer
    x = 687,595.85

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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.