Home / 513,933.32-709,223.69-284,491.05

Finding the Fourth Proportional to 513,933.32, 709,223.69 and 284,491.05

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Solution

The fourth proportional to 513,933.32, 709,223.69 and 284,491.05 is: 392,595.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,933.32 : 709,223.69 = 284,491.05 : x
  2. Step 2: Convert to fraction form
    513,933.32/709,223.69 = 284,491.05/x
  3. Step 3: Cross multiply
    513,933.32x = 709,223.69 × 284,491.05
  4. Step 4: Simplify right side
    513,933.32x = 201,767,792,252.98
  5. Step 5: Solve for x
    x = 201,767,792,252.98/513,933.32
  6. Step 6: Final answer
    x = 392,595.27

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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.