Home / 991,305.16-1,487,622.06-636,568.30

Finding the Fourth Proportional to 991,305.16, 1,487,622.06 and 636,568.30

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Solution

The fourth proportional to 991,305.16, 1,487,622.06 and 636,568.30 is: 955,279.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,305.16 : 1,487,622.06 = 636,568.30 : x
  2. Step 2: Convert to fraction form
    991,305.16/1,487,622.06 = 636,568.30/x
  3. Step 3: Cross multiply
    991,305.16x = 1,487,622.06 × 636,568.30
  4. Step 4: Simplify right side
    991,305.16x = 946,973,045,776.70
  5. Step 5: Solve for x
    x = 946,973,045,776.70/991,305.16
  6. Step 6: Final answer
    x = 955,279.04

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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.