Home / 1,016,207.90-1,402,392.65-557,340.74

Finding the Fourth Proportional to 1,016,207.90, 1,402,392.65 and 557,340.74

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Solution

The fourth proportional to 1,016,207.90, 1,402,392.65 and 557,340.74 is: 769,144.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,207.90 : 1,402,392.65 = 557,340.74 : x
  2. Step 2: Convert to fraction form
    1,016,207.90/1,402,392.65 = 557,340.74/x
  3. Step 3: Cross multiply
    1,016,207.90x = 1,402,392.65 × 557,340.74
  4. Step 4: Simplify right side
    1,016,207.90x = 781,610,548,837.64
  5. Step 5: Solve for x
    x = 781,610,548,837.64/1,016,207.90
  6. Step 6: Final answer
    x = 769,144.34

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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.