Home / 838,570.57-1,157,246.43-475,960.51

Finding the Fourth Proportional to 838,570.57, 1,157,246.43 and 475,960.51

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Solution

The fourth proportional to 838,570.57, 1,157,246.43 and 475,960.51 is: 656,836.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,570.57 : 1,157,246.43 = 475,960.51 : x
  2. Step 2: Convert to fraction form
    838,570.57/1,157,246.43 = 475,960.51/x
  3. Step 3: Cross multiply
    838,570.57x = 1,157,246.43 × 475,960.51
  4. Step 4: Simplify right side
    838,570.57x = 550,803,594,170.67
  5. Step 5: Solve for x
    x = 550,803,594,170.67/838,570.57
  6. Step 6: Final answer
    x = 656,836.30

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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.