Home / 382,983.68-528,507.95-210,900.29

Finding the Fourth Proportional to 382,983.68, 528,507.95 and 210,900.29

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Solution

The fourth proportional to 382,983.68, 528,507.95 and 210,900.29 is: 291,037.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,983.68 : 528,507.95 = 210,900.29 : x
  2. Step 2: Convert to fraction form
    382,983.68/528,507.95 = 210,900.29/x
  3. Step 3: Cross multiply
    382,983.68x = 528,507.95 × 210,900.29
  4. Step 4: Simplify right side
    382,983.68x = 111,462,476,225.26
  5. Step 5: Solve for x
    x = 111,462,476,225.26/382,983.68
  6. Step 6: Final answer
    x = 291,037.14

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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.