Home / 891,459.60-1,337,189.40-814,477.20

Finding the Fourth Proportional to 891,459.60, 1,337,189.40 and 814,477.20

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Solution

The fourth proportional to 891,459.60, 1,337,189.40 and 814,477.20 is: 1,221,715.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,459.60 : 1,337,189.40 = 814,477.20 : x
  2. Step 2: Convert to fraction form
    891,459.60/1,337,189.40 = 814,477.20/x
  3. Step 3: Cross multiply
    891,459.60x = 1,337,189.40 × 814,477.20
  4. Step 4: Simplify right side
    891,459.60x = 1,089,110,278,381.68
  5. Step 5: Solve for x
    x = 1,089,110,278,381.68/891,459.60
  6. Step 6: Final answer
    x = 1,221,715.80

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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.