Home / 840,301.96-1,159,714.73-477,780.13

Finding the Fourth Proportional to 840,301.96, 1,159,714.73 and 477,780.13

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Solution

The fourth proportional to 840,301.96, 1,159,714.73 and 477,780.13 is: 659,392.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,301.96 : 1,159,714.73 = 477,780.13 : x
  2. Step 2: Convert to fraction form
    840,301.96/1,159,714.73 = 477,780.13/x
  3. Step 3: Cross multiply
    840,301.96x = 1,159,714.73 × 477,780.13
  4. Step 4: Simplify right side
    840,301.96x = 554,088,646,274.84
  5. Step 5: Solve for x
    x = 554,088,646,274.84/840,301.96
  6. Step 6: Final answer
    x = 659,392.31

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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.