Home / 849,643.10-1,172,536.19-462,472.62

Finding the Fourth Proportional to 849,643.10, 1,172,536.19 and 462,472.62

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Solution

The fourth proportional to 849,643.10, 1,172,536.19 and 462,472.62 is: 638,227.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,643.10 : 1,172,536.19 = 462,472.62 : x
  2. Step 2: Convert to fraction form
    849,643.10/1,172,536.19 = 462,472.62/x
  3. Step 3: Cross multiply
    849,643.10x = 1,172,536.19 × 462,472.62
  4. Step 4: Simplify right side
    849,643.10x = 542,265,878,859.02
  5. Step 5: Solve for x
    x = 542,265,878,859.02/849,643.10
  6. Step 6: Final answer
    x = 638,227.84

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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.