Home / 961,407.82-1,326,341.89-553,412.04

Finding the Fourth Proportional to 961,407.82, 1,326,341.89 and 553,412.04

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Solution

The fourth proportional to 961,407.82, 1,326,341.89 and 553,412.04 is: 763,477.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    961,407.82 : 1,326,341.89 = 553,412.04 : x
  2. Step 2: Convert to fraction form
    961,407.82/1,326,341.89 = 553,412.04/x
  3. Step 3: Cross multiply
    961,407.82x = 1,326,341.89 × 553,412.04
  4. Step 4: Simplify right side
    961,407.82x = 734,013,571,082.36
  5. Step 5: Solve for x
    x = 734,013,571,082.36/961,407.82
  6. Step 6: Final answer
    x = 763,477.85

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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.