Home / 1,600,713.60-2,209,175.28-921,782.40

Finding the Fourth Proportional to 1,600,713.60, 2,209,175.28 and 921,782.40

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Solution

The fourth proportional to 1,600,713.60, 2,209,175.28 and 921,782.40 is: 1,272,169.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,600,713.60 : 2,209,175.28 = 921,782.40 : x
  2. Step 2: Convert to fraction form
    1,600,713.60/2,209,175.28 = 921,782.40/x
  3. Step 3: Cross multiply
    1,600,713.60x = 2,209,175.28 × 921,782.40
  4. Step 4: Simplify right side
    1,600,713.60x = 2,036,378,891,619.07
  5. Step 5: Solve for x
    x = 2,036,378,891,619.07/1,600,713.60
  6. Step 6: Final answer
    x = 1,272,169.42

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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.