Home / 740,962.08-1,022,574.78-454,443.12

Finding the Fourth Proportional to 740,962.08, 1,022,574.78 and 454,443.12

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Solution

The fourth proportional to 740,962.08, 1,022,574.78 and 454,443.12 is: 627,160.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,962.08 : 1,022,574.78 = 454,443.12 : x
  2. Step 2: Convert to fraction form
    740,962.08/1,022,574.78 = 454,443.12/x
  3. Step 3: Cross multiply
    740,962.08x = 1,022,574.78 × 454,443.12
  4. Step 4: Simplify right side
    740,962.08x = 464,702,073,456.51
  5. Step 5: Solve for x
    x = 464,702,073,456.51/740,962.08
  6. Step 6: Final answer
    x = 627,160.40

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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.