Home / 1,373,041.92-1,894,909.71-761,386.45

Finding the Fourth Proportional to 1,373,041.92, 1,894,909.71 and 761,386.45

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Solution

The fourth proportional to 1,373,041.92, 1,894,909.71 and 761,386.45 is: 1,050,775.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,373,041.92 : 1,894,909.71 = 761,386.45 : x
  2. Step 2: Convert to fraction form
    1,373,041.92/1,894,909.71 = 761,386.45/x
  3. Step 3: Cross multiply
    1,373,041.92x = 1,894,909.71 × 761,386.45
  4. Step 4: Simplify right side
    1,373,041.92x = 1,442,758,577,167.43
  5. Step 5: Solve for x
    x = 1,442,758,577,167.43/1,373,041.92
  6. Step 6: Final answer
    x = 1,050,775.33

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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.