Home / 849,718.43-1,172,626.38-462,544.98

Finding the Fourth Proportional to 849,718.43, 1,172,626.38 and 462,544.98

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Solution

The fourth proportional to 849,718.43, 1,172,626.38 and 462,544.98 is: 638,320.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,718.43 : 1,172,626.38 = 462,544.98 : x
  2. Step 2: Convert to fraction form
    849,718.43/1,172,626.38 = 462,544.98/x
  3. Step 3: Cross multiply
    849,718.43x = 1,172,626.38 × 462,544.98
  4. Step 4: Simplify right side
    849,718.43x = 542,392,445,484.57
  5. Step 5: Solve for x
    x = 542,392,445,484.57/849,718.43
  6. Step 6: Final answer
    x = 638,320.21

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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.