Home / 898,985.14-1,240,637.20-517,012.22

Finding the Fourth Proportional to 898,985.14, 1,240,637.20 and 517,012.22

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Solution

The fourth proportional to 898,985.14, 1,240,637.20 and 517,012.22 is: 713,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,985.14 : 1,240,637.20 = 517,012.22 : x
  2. Step 2: Convert to fraction form
    898,985.14/1,240,637.20 = 517,012.22/x
  3. Step 3: Cross multiply
    898,985.14x = 1,240,637.20 × 517,012.22
  4. Step 4: Simplify right side
    898,985.14x = 641,424,592,986.58
  5. Step 5: Solve for x
    x = 641,424,592,986.58/898,985.14
  6. Step 6: Final answer
    x = 713,498.55

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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.