Home / 754,030.64-1,040,569.64-409,868.08

Finding the Fourth Proportional to 754,030.64, 1,040,569.64 and 409,868.08

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Solution

The fourth proportional to 754,030.64, 1,040,569.64 and 409,868.08 is: 565,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    754,030.64 : 1,040,569.64 = 409,868.08 : x
  2. Step 2: Convert to fraction form
    754,030.64/1,040,569.64 = 409,868.08/x
  3. Step 3: Cross multiply
    754,030.64x = 1,040,569.64 × 409,868.08
  4. Step 4: Simplify right side
    754,030.64x = 426,496,280,453.09
  5. Step 5: Solve for x
    x = 426,496,280,453.09/754,030.64
  6. Step 6: Final answer
    x = 565,621.95

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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.