Home / 868,823.61-1,199,009.03-486,836.25

Finding the Fourth Proportional to 868,823.61, 1,199,009.03 and 486,836.25

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Solution

The fourth proportional to 868,823.61, 1,199,009.03 and 486,836.25 is: 671,852.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,823.61 : 1,199,009.03 = 486,836.25 : x
  2. Step 2: Convert to fraction form
    868,823.61/1,199,009.03 = 486,836.25/x
  3. Step 3: Cross multiply
    868,823.61x = 1,199,009.03 × 486,836.25
  4. Step 4: Simplify right side
    868,823.61x = 583,721,057,447.16
  5. Step 5: Solve for x
    x = 583,721,057,447.16/868,823.61
  6. Step 6: Final answer
    x = 671,852.20

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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.