Home / 1,172,177.79-1,617,673.15-655,927.18

Finding the Fourth Proportional to 1,172,177.79, 1,617,673.15 and 655,927.18

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Solution

The fourth proportional to 1,172,177.79, 1,617,673.15 and 655,927.18 is: 905,217.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,177.79 : 1,617,673.15 = 655,927.18 : x
  2. Step 2: Convert to fraction form
    1,172,177.79/1,617,673.15 = 655,927.18/x
  3. Step 3: Cross multiply
    1,172,177.79x = 1,617,673.15 × 655,927.18
  4. Step 4: Simplify right side
    1,172,177.79x = 1,061,075,787,441.22
  5. Step 5: Solve for x
    x = 1,061,075,787,441.22/1,172,177.79
  6. Step 6: Final answer
    x = 905,217.45

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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.