Home / 857,578.24-1,183,528.92-475,728.40

Finding the Fourth Proportional to 857,578.24, 1,183,528.92 and 475,728.40

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Solution

The fourth proportional to 857,578.24, 1,183,528.92 and 475,728.40 is: 656,544.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,578.24 : 1,183,528.92 = 475,728.40 : x
  2. Step 2: Convert to fraction form
    857,578.24/1,183,528.92 = 475,728.40/x
  3. Step 3: Cross multiply
    857,578.24x = 1,183,528.92 × 475,728.40
  4. Step 4: Simplify right side
    857,578.24x = 563,038,319,465.33
  5. Step 5: Solve for x
    x = 563,038,319,465.33/857,578.24
  6. Step 6: Final answer
    x = 656,544.55

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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.