Home / 1,673,587.17-2,309,558.27-909,640.13

Finding the Fourth Proportional to 1,673,587.17, 2,309,558.27 and 909,640.13

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Solution

The fourth proportional to 1,673,587.17, 2,309,558.27 and 909,640.13 is: 1,255,307.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,673,587.17 : 2,309,558.27 = 909,640.13 : x
  2. Step 2: Convert to fraction form
    1,673,587.17/2,309,558.27 = 909,640.13/x
  3. Step 3: Cross multiply
    1,673,587.17x = 2,309,558.27 × 909,640.13
  4. Step 4: Simplify right side
    1,673,587.17x = 2,100,866,868,869.38
  5. Step 5: Solve for x
    x = 2,100,866,868,869.38/1,673,587.17
  6. Step 6: Final answer
    x = 1,255,307.70

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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.