Home / 849,877.02-1,172,837.36-462,695.10

Finding the Fourth Proportional to 849,877.02, 1,172,837.36 and 462,695.10

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Solution

The fourth proportional to 849,877.02, 1,172,837.36 and 462,695.10 is: 638,523.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    849,877.02 : 1,172,837.36 = 462,695.10 : x
  2. Step 2: Convert to fraction form
    849,877.02/1,172,837.36 = 462,695.10/x
  3. Step 3: Cross multiply
    849,877.02x = 1,172,837.36 × 462,695.10
  4. Step 4: Simplify right side
    849,877.02x = 542,666,099,568.94
  5. Step 5: Solve for x
    x = 542,666,099,568.94/849,877.02
  6. Step 6: Final answer
    x = 638,523.09

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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.