Home / 1,029,775.35-1,421,173.89-571,033.76

Finding the Fourth Proportional to 1,029,775.35, 1,421,173.89 and 571,033.76

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Solution

The fourth proportional to 1,029,775.35, 1,421,173.89 and 571,033.76 is: 788,073.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,029,775.35 : 1,421,173.89 = 571,033.76 : x
  2. Step 2: Convert to fraction form
    1,029,775.35/1,421,173.89 = 571,033.76/x
  3. Step 3: Cross multiply
    1,029,775.35x = 1,421,173.89 × 571,033.76
  4. Step 4: Simplify right side
    1,029,775.35x = 811,538,270,020.53
  5. Step 5: Solve for x
    x = 811,538,270,020.53/1,029,775.35
  6. Step 6: Final answer
    x = 788,073.12

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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.