Home / 1,416,300.71-2,125,079.08-742,221.77

Finding the Fourth Proportional to 1,416,300.71, 2,125,079.08 and 742,221.77

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Solution

The fourth proportional to 1,416,300.71, 2,125,079.08 and 742,221.77 is: 1,113,661.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,416,300.71 : 2,125,079.08 = 742,221.77 : x
  2. Step 2: Convert to fraction form
    1,416,300.71/2,125,079.08 = 742,221.77/x
  3. Step 3: Cross multiply
    1,416,300.71x = 2,125,079.08 × 742,221.77
  4. Step 4: Simplify right side
    1,416,300.71x = 1,577,279,943,666.62
  5. Step 5: Solve for x
    x = 1,577,279,943,666.62/1,416,300.71
  6. Step 6: Final answer
    x = 1,113,661.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.