Home / 826,475.98-1,140,458.09-463,816.71

Finding the Fourth Proportional to 826,475.98, 1,140,458.09 and 463,816.71

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Solution

The fourth proportional to 826,475.98, 1,140,458.09 and 463,816.71 is: 640,022.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    826,475.98 : 1,140,458.09 = 463,816.71 : x
  2. Step 2: Convert to fraction form
    826,475.98/1,140,458.09 = 463,816.71/x
  3. Step 3: Cross multiply
    826,475.98x = 1,140,458.09 × 463,816.71
  4. Step 4: Simplify right side
    826,475.98x = 528,963,513,494.39
  5. Step 5: Solve for x
    x = 528,963,513,494.39/826,475.98
  6. Step 6: Final answer
    x = 640,022.85

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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.