Home / 741,343.04-1,023,042.28-419,041.80

Finding the Fourth Proportional to 741,343.04, 1,023,042.28 and 419,041.80

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Solution

The fourth proportional to 741,343.04, 1,023,042.28 and 419,041.80 is: 578,271.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,343.04 : 1,023,042.28 = 419,041.80 : x
  2. Step 2: Convert to fraction form
    741,343.04/1,023,042.28 = 419,041.80/x
  3. Step 3: Cross multiply
    741,343.04x = 1,023,042.28 × 419,041.80
  4. Step 4: Simplify right side
    741,343.04x = 428,697,478,487.30
  5. Step 5: Solve for x
    x = 428,697,478,487.30/741,343.04
  6. Step 6: Final answer
    x = 578,271.40

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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.