Home / 705,025.23-972,936.02-403,219.23

Finding the Fourth Proportional to 705,025.23, 972,936.02 and 403,219.23

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Solution

The fourth proportional to 705,025.23, 972,936.02 and 403,219.23 is: 556,443.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,025.23 : 972,936.02 = 403,219.23 : x
  2. Step 2: Convert to fraction form
    705,025.23/972,936.02 = 403,219.23/x
  3. Step 3: Cross multiply
    705,025.23x = 972,936.02 × 403,219.23
  4. Step 4: Simplify right side
    705,025.23x = 392,306,510,807.57
  5. Step 5: Solve for x
    x = 392,306,510,807.57/705,025.23
  6. Step 6: Final answer
    x = 556,443.22

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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.