Home / 1,676,360.05-2,313,426.24-1,187,204.71

Finding the Fourth Proportional to 1,676,360.05, 2,313,426.24 and 1,187,204.71

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Solution

The fourth proportional to 1,676,360.05, 2,313,426.24 and 1,187,204.71 is: 1,638,377.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,360.05 : 2,313,426.24 = 1,187,204.71 : x
  2. Step 2: Convert to fraction form
    1,676,360.05/2,313,426.24 = 1,187,204.71/x
  3. Step 3: Cross multiply
    1,676,360.05x = 2,313,426.24 × 1,187,204.71
  4. Step 4: Simplify right side
    1,676,360.05x = 2,746,510,528,365.59
  5. Step 5: Solve for x
    x = 2,746,510,528,365.59/1,676,360.05
  6. Step 6: Final answer
    x = 1,638,377.46

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1.5x scale

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.