Home / 838,582.12-1,157,262.32-475,972.05

Finding the Fourth Proportional to 838,582.12, 1,157,262.32 and 475,972.05

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Solution

The fourth proportional to 838,582.12, 1,157,262.32 and 475,972.05 is: 656,852.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,582.12 : 1,157,262.32 = 475,972.05 : x
  2. Step 2: Convert to fraction form
    838,582.12/1,157,262.32 = 475,972.05/x
  3. Step 3: Cross multiply
    838,582.12x = 1,157,262.32 × 475,972.05
  4. Step 4: Simplify right side
    838,582.12x = 550,824,524,367.82
  5. Step 5: Solve for x
    x = 550,824,524,367.82/838,582.12
  6. Step 6: Final answer
    x = 656,852.22

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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.