Home / 527,417.49-727,792.87-297,994.66

Finding the Fourth Proportional to 527,417.49, 727,792.87 and 297,994.66

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Solution

The fourth proportional to 527,417.49, 727,792.87 and 297,994.66 is: 411,208.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,417.49 : 727,792.87 = 297,994.66 : x
  2. Step 2: Convert to fraction form
    527,417.49/727,792.87 = 297,994.66/x
  3. Step 3: Cross multiply
    527,417.49x = 727,792.87 × 297,994.66
  4. Step 4: Simplify right side
    527,417.49x = 216,878,388,846.07
  5. Step 5: Solve for x
    x = 216,878,388,846.07/527,417.49
  6. Step 6: Final answer
    x = 411,208.19

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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.