Home / 1,189,557-1,641,376.98-673,308.36

Finding the Fourth Proportional to 1,189,557, 1,641,376.98 and 673,308.36

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Solution

The fourth proportional to 1,189,557, 1,641,376.98 and 673,308.36 is: 929,045.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,557 : 1,641,376.98 = 673,308.36 : x
  2. Step 2: Convert to fraction form
    1,189,557/1,641,376.98 = 673,308.36/x
  3. Step 3: Cross multiply
    1,189,557x = 1,641,376.98 × 673,308.36
  4. Step 4: Simplify right side
    1,189,557x = 1,105,152,842,545.55
  5. Step 5: Solve for x
    x = 1,105,152,842,545.55/1,189,557
  6. Step 6: Final answer
    x = 929,045.72

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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.