Home / 1,028,205.76-1,418,909.28-569,276.32

Finding the Fourth Proportional to 1,028,205.76, 1,418,909.28 and 569,276.32

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Solution

The fourth proportional to 1,028,205.76, 1,418,909.28 and 569,276.32 is: 785,593.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,205.76 : 1,418,909.28 = 569,276.32 : x
  2. Step 2: Convert to fraction form
    1,028,205.76/1,418,909.28 = 569,276.32/x
  3. Step 3: Cross multiply
    1,028,205.76x = 1,418,909.28 × 569,276.32
  4. Step 4: Simplify right side
    1,028,205.76x = 807,751,453,332.25
  5. Step 5: Solve for x
    x = 807,751,453,332.25/1,028,205.76
  6. Step 6: Final answer
    x = 785,593.20

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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.