Home / 840,555.35-1,160,055.76-514,059.38

Finding the Fourth Proportional to 840,555.35, 1,160,055.76 and 514,059.38

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Solution

The fourth proportional to 840,555.35, 1,160,055.76 and 514,059.38 is: 709,456.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,555.35 : 1,160,055.76 = 514,059.38 : x
  2. Step 2: Convert to fraction form
    840,555.35/1,160,055.76 = 514,059.38/x
  3. Step 3: Cross multiply
    840,555.35x = 1,160,055.76 × 514,059.38
  4. Step 4: Simplify right side
    840,555.35x = 596,337,537,665.60
  5. Step 5: Solve for x
    x = 596,337,537,665.60/840,555.35
  6. Step 6: Final answer
    x = 709,456.59

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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.