Home / 754,479.36-1,041,190.20-414,953.28

Finding the Fourth Proportional to 754,479.36, 1,041,190.20 and 414,953.28

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Solution

The fourth proportional to 754,479.36, 1,041,190.20 and 414,953.28 is: 572,640.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,479.36 : 1,041,190.20 = 414,953.28 : x
  2. Step 2: Convert to fraction form
    754,479.36/1,041,190.20 = 414,953.28/x
  3. Step 3: Cross multiply
    754,479.36x = 1,041,190.20 × 414,953.28
  4. Step 4: Simplify right side
    754,479.36x = 432,045,288,593.86
  5. Step 5: Solve for x
    x = 432,045,288,593.86/754,479.36
  6. Step 6: Final answer
    x = 572,640.30

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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.