Home / 513,700.16-708,959.58-295,916.36

Finding the Fourth Proportional to 513,700.16, 708,959.58 and 295,916.36

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Solution

The fourth proportional to 513,700.16, 708,959.58 and 295,916.36 is: 408,395.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,700.16 : 708,959.58 = 295,916.36 : x
  2. Step 2: Convert to fraction form
    513,700.16/708,959.58 = 295,916.36/x
  3. Step 3: Cross multiply
    513,700.16x = 708,959.58 × 295,916.36
  4. Step 4: Simplify right side
    513,700.16x = 209,792,738,300.73
  5. Step 5: Solve for x
    x = 209,792,738,300.73/513,700.16
  6. Step 6: Final answer
    x = 408,395.31

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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.