Home / 1,289,548.17-1,779,592.59-708,834.71

Finding the Fourth Proportional to 1,289,548.17, 1,779,592.59 and 708,834.71

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Solution

The fourth proportional to 1,289,548.17, 1,779,592.59 and 708,834.71 is: 978,200.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,548.17 : 1,779,592.59 = 708,834.71 : x
  2. Step 2: Convert to fraction form
    1,289,548.17/1,779,592.59 = 708,834.71/x
  3. Step 3: Cross multiply
    1,289,548.17x = 1,779,592.59 × 708,834.71
  4. Step 4: Simplify right side
    1,289,548.17x = 1,261,436,988,552.84
  5. Step 5: Solve for x
    x = 1,261,436,988,552.84/1,289,548.17
  6. Step 6: Final answer
    x = 978,200.75

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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.