Home / 419,022.47-578,264.06-237,742.04

Finding the Fourth Proportional to 419,022.47, 578,264.06 and 237,742.04

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Solution

The fourth proportional to 419,022.47, 578,264.06 and 237,742.04 is: 328,091.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,022.47 : 578,264.06 = 237,742.04 : x
  2. Step 2: Convert to fraction form
    419,022.47/578,264.06 = 237,742.04/x
  3. Step 3: Cross multiply
    419,022.47x = 578,264.06 × 237,742.04
  4. Step 4: Simplify right side
    419,022.47x = 137,477,679,323.10
  5. Step 5: Solve for x
    x = 137,477,679,323.10/419,022.47
  6. Step 6: Final answer
    x = 328,091.42

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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.