Home / 826,010.84-1,140,295.38-553,979.36

Finding the Fourth Proportional to 826,010.84, 1,140,295.38 and 553,979.36

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Solution

The fourth proportional to 826,010.84, 1,140,295.38 and 553,979.36 is: 764,760.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,010.84 : 1,140,295.38 = 553,979.36 : x
  2. Step 2: Convert to fraction form
    826,010.84/1,140,295.38 = 553,979.36/x
  3. Step 3: Cross multiply
    826,010.84x = 1,140,295.38 × 553,979.36
  4. Step 4: Simplify right side
    826,010.84x = 631,700,104,823.36
  5. Step 5: Solve for x
    x = 631,700,104,823.36/826,010.84
  6. Step 6: Final answer
    x = 764,760.07

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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.