Home / 1,216,332.48-1,678,805.28-707,328.48

Finding the Fourth Proportional to 1,216,332.48, 1,678,805.28 and 707,328.48

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Solution

The fourth proportional to 1,216,332.48, 1,678,805.28 and 707,328.48 is: 976,268.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,332.48 : 1,678,805.28 = 707,328.48 : x
  2. Step 2: Convert to fraction form
    1,216,332.48/1,678,805.28 = 707,328.48/x
  3. Step 3: Cross multiply
    1,216,332.48x = 1,678,805.28 × 707,328.48
  4. Step 4: Simplify right side
    1,216,332.48x = 1,187,466,786,918.37
  5. Step 5: Solve for x
    x = 1,187,466,786,918.37/1,216,332.48
  6. Step 6: Final answer
    x = 976,268.25

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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.