Home / 787,052.70-1,085,557.41-514,683.72

Finding the Fourth Proportional to 787,052.70, 1,085,557.41 and 514,683.72

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Solution

The fourth proportional to 787,052.70, 1,085,557.41 and 514,683.72 is: 709,887.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    787,052.70 : 1,085,557.41 = 514,683.72 : x
  2. Step 2: Convert to fraction form
    787,052.70/1,085,557.41 = 514,683.72/x
  3. Step 3: Cross multiply
    787,052.70x = 1,085,557.41 × 514,683.72
  4. Step 4: Simplify right side
    787,052.70x = 558,718,726,052.37
  5. Step 5: Solve for x
    x = 558,718,726,052.37/787,052.70
  6. Step 6: Final answer
    x = 709,887.31

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Double scale
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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.