Home / 716,030.87-988,121.39-410,206.25

Finding the Fourth Proportional to 716,030.87, 988,121.39 and 410,206.25

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Solution

The fourth proportional to 716,030.87, 988,121.39 and 410,206.25 is: 566,083.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,030.87 : 988,121.39 = 410,206.25 : x
  2. Step 2: Convert to fraction form
    716,030.87/988,121.39 = 410,206.25/x
  3. Step 3: Cross multiply
    716,030.87x = 988,121.39 × 410,206.25
  4. Step 4: Simplify right side
    716,030.87x = 405,333,575,669.80
  5. Step 5: Solve for x
    x = 405,333,575,669.80/716,030.87
  6. Step 6: Final answer
    x = 566,083.94

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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.