Home / 638,578.02-881,365.28-366,832.34

Finding the Fourth Proportional to 638,578.02, 881,365.28 and 366,832.34

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Solution

The fourth proportional to 638,578.02, 881,365.28 and 366,832.34 is: 506,301.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,578.02 : 881,365.28 = 366,832.34 : x
  2. Step 2: Convert to fraction form
    638,578.02/881,365.28 = 366,832.34/x
  3. Step 3: Cross multiply
    638,578.02x = 881,365.28 × 366,832.34
  4. Step 4: Simplify right side
    638,578.02x = 323,313,281,816.17
  5. Step 5: Solve for x
    x = 323,313,281,816.17/638,578.02
  6. Step 6: Final answer
    x = 506,301.93

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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.