Home / 761,654.14-1,051,503.86-680,888.23

Finding the Fourth Proportional to 761,654.14, 1,051,503.86 and 680,888.23

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Solution

The fourth proportional to 761,654.14, 1,051,503.86 and 680,888.23 is: 940,002.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,654.14 : 1,051,503.86 = 680,888.23 : x
  2. Step 2: Convert to fraction form
    761,654.14/1,051,503.86 = 680,888.23/x
  3. Step 3: Cross multiply
    761,654.14x = 1,051,503.86 × 680,888.23
  4. Step 4: Simplify right side
    761,654.14x = 715,956,601,147.03
  5. Step 5: Solve for x
    x = 715,956,601,147.03/761,654.14
  6. Step 6: Final answer
    x = 940,002.25

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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.