Home / 705,631.11-1,053,114.16-637,530.03

Finding the Fourth Proportional to 705,631.11, 1,053,114.16 and 637,530.03

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Solution

The fourth proportional to 705,631.11, 1,053,114.16 and 637,530.03 is: 951,477.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,631.11 : 1,053,114.16 = 637,530.03 : x
  2. Step 2: Convert to fraction form
    705,631.11/1,053,114.16 = 637,530.03/x
  3. Step 3: Cross multiply
    705,631.11x = 1,053,114.16 × 637,530.03
  4. Step 4: Simplify right side
    705,631.11x = 671,391,900,424.40
  5. Step 5: Solve for x
    x = 671,391,900,424.40/705,631.11
  6. Step 6: Final answer
    x = 951,477.18

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.