Home / 1,261,154.00-1,740,429.38-688,231.08

Finding the Fourth Proportional to 1,261,154.00, 1,740,429.38 and 688,231.08

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Solution

The fourth proportional to 1,261,154.00, 1,740,429.38 and 688,231.08 is: 949,779.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,154.00 : 1,740,429.38 = 688,231.08 : x
  2. Step 2: Convert to fraction form
    1,261,154.00/1,740,429.38 = 688,231.08/x
  3. Step 3: Cross multiply
    1,261,154.00x = 1,740,429.38 × 688,231.08
  4. Step 4: Simplify right side
    1,261,154.00x = 1,197,817,593,581.71
  5. Step 5: Solve for x
    x = 1,197,817,593,581.71/1,261,154.00
  6. Step 6: Final answer
    x = 949,779.00

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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.