Home / 786,706.41-1,084,609.56-514,305.96

Finding the Fourth Proportional to 786,706.41, 1,084,609.56 and 514,305.96

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Solution

The fourth proportional to 786,706.41, 1,084,609.56 and 514,305.96 is: 709,058.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,706.41 : 1,084,609.56 = 514,305.96 : x
  2. Step 2: Convert to fraction form
    786,706.41/1,084,609.56 = 514,305.96/x
  3. Step 3: Cross multiply
    786,706.41x = 1,084,609.56 × 514,305.96
  4. Step 4: Simplify right side
    786,706.41x = 557,821,160,980.98
  5. Step 5: Solve for x
    x = 557,821,160,980.98/786,706.41
  6. Step 6: Final answer
    x = 709,058.87

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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.