Home / 1,762,024.40-2,643,727.80-640,206.80

Finding the Fourth Proportional to 1,762,024.40, 2,643,727.80 and 640,206.80

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Solution

The fourth proportional to 1,762,024.40, 2,643,727.80 and 640,206.80 is: 960,561.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,762,024.40 : 2,643,727.80 = 640,206.80 : x
  2. Step 2: Convert to fraction form
    1,762,024.40/2,643,727.80 = 640,206.80/x
  3. Step 3: Cross multiply
    1,762,024.40x = 2,643,727.80 × 640,206.80
  4. Step 4: Simplify right side
    1,762,024.40x = 1,692,532,514,909.04
  5. Step 5: Solve for x
    x = 1,692,532,514,909.04/1,762,024.40
  6. Step 6: Final answer
    x = 960,561.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.