Home / 1,363,710.60-1,881,756.36-782,901.72

Finding the Fourth Proportional to 1,363,710.60, 1,881,756.36 and 782,901.72

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Solution

The fourth proportional to 1,363,710.60, 1,881,756.36 and 782,901.72 is: 1,080,310.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,363,710.60 : 1,881,756.36 = 782,901.72 : x
  2. Step 2: Convert to fraction form
    1,363,710.60/1,881,756.36 = 782,901.72/x
  3. Step 3: Cross multiply
    1,363,710.60x = 1,881,756.36 × 782,901.72
  4. Step 4: Simplify right side
    1,363,710.60x = 1,473,230,290,864.94
  5. Step 5: Solve for x
    x = 1,473,230,290,864.94/1,363,710.60
  6. Step 6: Final answer
    x = 1,080,310.07

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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.