Home / 840,553.80-1,160,053.59-514,057.80

Finding the Fourth Proportional to 840,553.80, 1,160,053.59 and 514,057.80

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Solution

The fourth proportional to 840,553.80, 1,160,053.59 and 514,057.80 is: 709,454.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,553.80 : 1,160,053.59 = 514,057.80 : x
  2. Step 2: Convert to fraction form
    840,553.80/1,160,053.59 = 514,057.80/x
  3. Step 3: Cross multiply
    840,553.80x = 1,160,053.59 × 514,057.80
  4. Step 4: Simplify right side
    840,553.80x = 596,334,596,357.50
  5. Step 5: Solve for x
    x = 596,334,596,357.50/840,553.80
  6. Step 6: Final answer
    x = 709,454.41

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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.