Home / 852,603.16-1,176,606.81-465,438.55

Finding the Fourth Proportional to 852,603.16, 1,176,606.81 and 465,438.55

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Solution

The fourth proportional to 852,603.16, 1,176,606.81 and 465,438.55 is: 642,313.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,603.16 : 1,176,606.81 = 465,438.55 : x
  2. Step 2: Convert to fraction form
    852,603.16/1,176,606.81 = 465,438.55/x
  3. Step 3: Cross multiply
    852,603.16x = 1,176,606.81 × 465,438.55
  4. Step 4: Simplify right side
    852,603.16x = 547,638,167,566.53
  5. Step 5: Solve for x
    x = 547,638,167,566.53/852,603.16
  6. Step 6: Final answer
    x = 642,313.09

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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.