Home / 857,879.55-1,183,870.22-475,906.46

Finding the Fourth Proportional to 857,879.55, 1,183,870.22 and 475,906.46

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Solution

The fourth proportional to 857,879.55, 1,183,870.22 and 475,906.46 is: 656,748.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,879.55 : 1,183,870.22 = 475,906.46 : x
  2. Step 2: Convert to fraction form
    857,879.55/1,183,870.22 = 475,906.46/x
  3. Step 3: Cross multiply
    857,879.55x = 1,183,870.22 × 475,906.46
  4. Step 4: Simplify right side
    857,879.55x = 563,411,477,200.74
  5. Step 5: Solve for x
    x = 563,411,477,200.74/857,879.55
  6. Step 6: Final answer
    x = 656,748.93

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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.