Home / 867,109.80-1,300,664.70-832,117.80

Finding the Fourth Proportional to 867,109.80, 1,300,664.70 and 832,117.80

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Solution

The fourth proportional to 867,109.80, 1,300,664.70 and 832,117.80 is: 1,248,176.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    867,109.80 : 1,300,664.70 = 832,117.80 : x
  2. Step 2: Convert to fraction form
    867,109.80/1,300,664.70 = 832,117.80/x
  3. Step 3: Cross multiply
    867,109.80x = 1,300,664.70 × 832,117.80
  4. Step 4: Simplify right side
    867,109.80x = 1,082,306,248,701.66
  5. Step 5: Solve for x
    x = 1,082,306,248,701.66/867,109.80
  6. Step 6: Final answer
    x = 1,248,176.70

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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.