Home / 849,986.35-1,172,983.94-462,806.35

Finding the Fourth Proportional to 849,986.35, 1,172,983.94 and 462,806.35

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Solution

The fourth proportional to 849,986.35, 1,172,983.94 and 462,806.35 is: 638,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,986.35 : 1,172,983.94 = 462,806.35 : x
  2. Step 2: Convert to fraction form
    849,986.35/1,172,983.94 = 462,806.35/x
  3. Step 3: Cross multiply
    849,986.35x = 1,172,983.94 × 462,806.35
  4. Step 4: Simplify right side
    849,986.35x = 542,864,415,880.02
  5. Step 5: Solve for x
    x = 542,864,415,880.02/849,986.35
  6. Step 6: Final answer
    x = 638,674.28

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Double scale
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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.