Home / 754,455.40-1,041,148.26-414,945.64

Finding the Fourth Proportional to 754,455.40, 1,041,148.26 and 414,945.64

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Solution

The fourth proportional to 754,455.40, 1,041,148.26 and 414,945.64 is: 572,624.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,455.40 : 1,041,148.26 = 414,945.64 : x
  2. Step 2: Convert to fraction form
    754,455.40/1,041,148.26 = 414,945.64/x
  3. Step 3: Cross multiply
    754,455.40x = 1,041,148.26 × 414,945.64
  4. Step 4: Simplify right side
    754,455.40x = 432,019,931,080.59
  5. Step 5: Solve for x
    x = 432,019,931,080.59/754,455.40
  6. Step 6: Final answer
    x = 572,624.88

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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.