Home / 785,574.73-1,084,507.40-528,801.69

Finding the Fourth Proportional to 785,574.73, 1,084,507.40 and 528,801.69

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Solution

The fourth proportional to 785,574.73, 1,084,507.40 and 528,801.69 is: 730,025.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    785,574.73 : 1,084,507.40 = 528,801.69 : x
  2. Step 2: Convert to fraction form
    785,574.73/1,084,507.40 = 528,801.69/x
  3. Step 3: Cross multiply
    785,574.73x = 1,084,507.40 × 528,801.69
  4. Step 4: Simplify right side
    785,574.73x = 573,489,345,937.51
  5. Step 5: Solve for x
    x = 573,489,345,937.51/785,574.73
  6. Step 6: Final answer
    x = 730,025.20

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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.