Home / 881,175.14-1,216,017.47-499,201.01

Finding the Fourth Proportional to 881,175.14, 1,216,017.47 and 499,201.01

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Solution

The fourth proportional to 881,175.14, 1,216,017.47 and 499,201.01 is: 688,895.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,175.14 : 1,216,017.47 = 499,201.01 : x
  2. Step 2: Convert to fraction form
    881,175.14/1,216,017.47 = 499,201.01/x
  3. Step 3: Cross multiply
    881,175.14x = 1,216,017.47 × 499,201.01
  4. Step 4: Simplify right side
    881,175.14x = 607,037,146,705.64
  5. Step 5: Solve for x
    x = 607,037,146,705.64/881,175.14
  6. Step 6: Final answer
    x = 688,895.00

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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.