Home / 1,107,557.81-1,528,420.68-617,521.52

Finding the Fourth Proportional to 1,107,557.81, 1,528,420.68 and 617,521.52

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Solution

The fourth proportional to 1,107,557.81, 1,528,420.68 and 617,521.52 is: 852,174.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,107,557.81 : 1,528,420.68 = 617,521.52 : x
  2. Step 2: Convert to fraction form
    1,107,557.81/1,528,420.68 = 617,521.52/x
  3. Step 3: Cross multiply
    1,107,557.81x = 1,528,420.68 × 617,521.52
  4. Step 4: Simplify right side
    1,107,557.81x = 943,832,653,870.93
  5. Step 5: Solve for x
    x = 943,832,653,870.93/1,107,557.81
  6. Step 6: Final answer
    x = 852,174.62

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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.