Home / 868,970.55-1,199,113.23-486,923.52

Finding the Fourth Proportional to 868,970.55, 1,199,113.23 and 486,923.52

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Solution

The fourth proportional to 868,970.55, 1,199,113.23 and 486,923.52 is: 671,917.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,970.55 : 1,199,113.23 = 486,923.52 : x
  2. Step 2: Convert to fraction form
    868,970.55/1,199,113.23 = 486,923.52/x
  3. Step 3: Cross multiply
    868,970.55x = 1,199,113.23 × 486,923.52
  4. Step 4: Simplify right side
    868,970.55x = 583,876,434,830.17
  5. Step 5: Solve for x
    x = 583,876,434,830.17/868,970.55
  6. Step 6: Final answer
    x = 671,917.40

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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.