Home / 1,434,934.17-1,980,134.37-891,058.32

Finding the Fourth Proportional to 1,434,934.17, 1,980,134.37 and 891,058.32

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Solution

The fourth proportional to 1,434,934.17, 1,980,134.37 and 891,058.32 is: 1,229,614.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,434,934.17 : 1,980,134.37 = 891,058.32 : x
  2. Step 2: Convert to fraction form
    1,434,934.17/1,980,134.37 = 891,058.32/x
  3. Step 3: Cross multiply
    1,434,934.17x = 1,980,134.37 × 891,058.32
  4. Step 4: Simplify right side
    1,434,934.17x = 1,764,415,205,106.46
  5. Step 5: Solve for x
    x = 1,764,415,205,106.46/1,434,934.17
  6. Step 6: Final answer
    x = 1,229,614.04

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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.