Home / 1,019,732.51-1,407,240.24-554,590.72

Finding the Fourth Proportional to 1,019,732.51, 1,407,240.24 and 554,590.72

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Solution

The fourth proportional to 1,019,732.51, 1,407,240.24 and 554,590.72 is: 765,340.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,732.51 : 1,407,240.24 = 554,590.72 : x
  2. Step 2: Convert to fraction form
    1,019,732.51/1,407,240.24 = 554,590.72/x
  3. Step 3: Cross multiply
    1,019,732.51x = 1,407,240.24 × 554,590.72
  4. Step 4: Simplify right side
    1,019,732.51x = 780,442,374,396.47
  5. Step 5: Solve for x
    x = 780,442,374,396.47/1,019,732.51
  6. Step 6: Final answer
    x = 765,340.29

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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.