Home / 1,011,385.58-1,395,754.48-581,666

Finding the Fourth Proportional to 1,011,385.58, 1,395,754.48 and 581,666

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Solution

The fourth proportional to 1,011,385.58, 1,395,754.48 and 581,666 is: 802,723.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,385.58 : 1,395,754.48 = 581,666 : x
  2. Step 2: Convert to fraction form
    1,011,385.58/1,395,754.48 = 581,666/x
  3. Step 3: Cross multiply
    1,011,385.58x = 1,395,754.48 × 581,666
  4. Step 4: Simplify right side
    1,011,385.58x = 811,862,925,363.68
  5. Step 5: Solve for x
    x = 811,862,925,363.68/1,011,385.58
  6. Step 6: Final answer
    x = 802,723.45

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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.