Home / 1,681,551.33-2,320,590.20-917,654.19

Finding the Fourth Proportional to 1,681,551.33, 2,320,590.20 and 917,654.19

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Solution

The fourth proportional to 1,681,551.33, 2,320,590.20 and 917,654.19 is: 1,266,389.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,681,551.33 : 2,320,590.20 = 917,654.19 : x
  2. Step 2: Convert to fraction form
    1,681,551.33/2,320,590.20 = 917,654.19/x
  3. Step 3: Cross multiply
    1,681,551.33x = 2,320,590.20 × 917,654.19
  4. Step 4: Simplify right side
    1,681,551.33x = 2,129,499,315,714.67
  5. Step 5: Solve for x
    x = 2,129,499,315,714.67/1,681,551.33
  6. Step 6: Final answer
    x = 1,266,389.72

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Double scale
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1.5x scale

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.