Home / 1,001,571.18-1,382,169.62-542,690.74

Finding the Fourth Proportional to 1,001,571.18, 1,382,169.62 and 542,690.74

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Solution

The fourth proportional to 1,001,571.18, 1,382,169.62 and 542,690.74 is: 748,913.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,571.18 : 1,382,169.62 = 542,690.74 : x
  2. Step 2: Convert to fraction form
    1,001,571.18/1,382,169.62 = 542,690.74/x
  3. Step 3: Cross multiply
    1,001,571.18x = 1,382,169.62 × 542,690.74
  4. Step 4: Simplify right side
    1,001,571.18x = 750,090,653,883.32
  5. Step 5: Solve for x
    x = 750,090,653,883.32/1,001,571.18
  6. Step 6: Final answer
    x = 748,913.98

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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.