Home / 857,581.74-1,183,535.43-475,731.50

Finding the Fourth Proportional to 857,581.74, 1,183,535.43 and 475,731.50

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Solution

The fourth proportional to 857,581.74, 1,183,535.43 and 475,731.50 is: 656,549.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,581.74 : 1,183,535.43 = 475,731.50 : x
  2. Step 2: Convert to fraction form
    857,581.74/1,183,535.43 = 475,731.50/x
  3. Step 3: Cross multiply
    857,581.74x = 1,183,535.43 × 475,731.50
  4. Step 4: Simplify right side
    857,581.74x = 563,045,085,417.05
  5. Step 5: Solve for x
    x = 563,045,085,417.05/857,581.74
  6. Step 6: Final answer
    x = 656,549.76

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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.