Home / 826,897.80-1,141,048.98-464,293.20

Finding the Fourth Proportional to 826,897.80, 1,141,048.98 and 464,293.20

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Solution

The fourth proportional to 826,897.80, 1,141,048.98 and 464,293.20 is: 640,685.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,897.80 : 1,141,048.98 = 464,293.20 : x
  2. Step 2: Convert to fraction form
    826,897.80/1,141,048.98 = 464,293.20/x
  3. Step 3: Cross multiply
    826,897.80x = 1,141,048.98 × 464,293.20
  4. Step 4: Simplify right side
    826,897.80x = 529,781,282,280.94
  5. Step 5: Solve for x
    x = 529,781,282,280.94/826,897.80
  6. Step 6: Final answer
    x = 640,685.32

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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.