Home / 935,642.20-1,401,389.70-724,595.80

Finding the Fourth Proportional to 935,642.20, 1,401,389.70 and 724,595.80

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Solution

The fourth proportional to 935,642.20, 1,401,389.70 and 724,595.80 is: 1,085,287.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,642.20 : 1,401,389.70 = 724,595.80 : x
  2. Step 2: Convert to fraction form
    935,642.20/1,401,389.70 = 724,595.80/x
  3. Step 3: Cross multiply
    935,642.20x = 1,401,389.70 × 724,595.80
  4. Step 4: Simplify right side
    935,642.20x = 1,015,441,090,783.26
  5. Step 5: Solve for x
    x = 1,015,441,090,783.26/935,642.20
  6. Step 6: Final answer
    x = 1,085,287.83

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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.