Home / 638,603.04-881,227.13-352,117.02

Finding the Fourth Proportional to 638,603.04, 881,227.13 and 352,117.02

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Solution

The fourth proportional to 638,603.04, 881,227.13 and 352,117.02 is: 485,896.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    638,603.04 : 881,227.13 = 352,117.02 : x
  2. Step 2: Convert to fraction form
    638,603.04/881,227.13 = 352,117.02/x
  3. Step 3: Cross multiply
    638,603.04x = 881,227.13 × 352,117.02
  4. Step 4: Simplify right side
    638,603.04x = 310,295,069,198.17
  5. Step 5: Solve for x
    x = 310,295,069,198.17/638,603.04
  6. Step 6: Final answer
    x = 485,896.64

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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.