Home / 868,109.60-1,300,090.80-532,186.40

Finding the Fourth Proportional to 868,109.60, 1,300,090.80 and 532,186.40

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Solution

The fourth proportional to 868,109.60, 1,300,090.80 and 532,186.40 is: 797,008.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,109.60 : 1,300,090.80 = 532,186.40 : x
  2. Step 2: Convert to fraction form
    868,109.60/1,300,090.80 = 532,186.40/x
  3. Step 3: Cross multiply
    868,109.60x = 1,300,090.80 × 532,186.40
  4. Step 4: Simplify right side
    868,109.60x = 691,890,642,525.12
  5. Step 5: Solve for x
    x = 691,890,642,525.12/868,109.60
  6. Step 6: Final answer
    x = 797,008.40

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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.