Home / 1,012,416.29-1,397,147.73-553,531.38

Finding the Fourth Proportional to 1,012,416.29, 1,397,147.73 and 553,531.38

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Solution

The fourth proportional to 1,012,416.29, 1,397,147.73 and 553,531.38 is: 763,880.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,416.29 : 1,397,147.73 = 553,531.38 : x
  2. Step 2: Convert to fraction form
    1,012,416.29/1,397,147.73 = 553,531.38/x
  3. Step 3: Cross multiply
    1,012,416.29x = 1,397,147.73 × 553,531.38
  4. Step 4: Simplify right side
    1,012,416.29x = 773,365,111,050.77
  5. Step 5: Solve for x
    x = 773,365,111,050.77/1,012,416.29
  6. Step 6: Final answer
    x = 763,880.55

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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.