Home / 754,534.80-1,133,114.40-400,240.80

Finding the Fourth Proportional to 754,534.80, 1,133,114.40 and 400,240.80

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Solution

The fourth proportional to 754,534.80, 1,133,114.40 and 400,240.80 is: 601,057.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,534.80 : 1,133,114.40 = 400,240.80 : x
  2. Step 2: Convert to fraction form
    754,534.80/1,133,114.40 = 400,240.80/x
  3. Step 3: Cross multiply
    754,534.80x = 1,133,114.40 × 400,240.80
  4. Step 4: Simplify right side
    754,534.80x = 453,518,613,947.52
  5. Step 5: Solve for x
    x = 453,518,613,947.52/754,534.80
  6. Step 6: Final answer
    x = 601,057.25

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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.