Home / 805,530.84-1,111,603.55-442,951.35

Finding the Fourth Proportional to 805,530.84, 1,111,603.55 and 442,951.35

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Solution

The fourth proportional to 805,530.84, 1,111,603.55 and 442,951.35 is: 611,256.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,530.84 : 1,111,603.55 = 442,951.35 : x
  2. Step 2: Convert to fraction form
    805,530.84/1,111,603.55 = 442,951.35/x
  3. Step 3: Cross multiply
    805,530.84x = 1,111,603.55 × 442,951.35
  4. Step 4: Simplify right side
    805,530.84x = 492,386,290,922.54
  5. Step 5: Solve for x
    x = 492,386,290,922.54/805,530.84
  6. Step 6: Final answer
    x = 611,256.91

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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.