Home / 857,669.73-1,183,725.95-475,819.53

Finding the Fourth Proportional to 857,669.73, 1,183,725.95 and 475,819.53

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Solution

The fourth proportional to 857,669.73, 1,183,725.95 and 475,819.53 is: 656,709.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,669.73 : 1,183,725.95 = 475,819.53 : x
  2. Step 2: Convert to fraction form
    857,669.73/1,183,725.95 = 475,819.53/x
  3. Step 3: Cross multiply
    857,669.73x = 1,183,725.95 × 475,819.53
  4. Step 4: Simplify right side
    857,669.73x = 563,239,922,798.71
  5. Step 5: Solve for x
    x = 563,239,922,798.71/857,669.73
  6. Step 6: Final answer
    x = 656,709.57

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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.