Home / 382,938.93-528,434.95-210,823.24

Finding the Fourth Proportional to 382,938.93, 528,434.95 and 210,823.24

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Solution

The fourth proportional to 382,938.93, 528,434.95 and 210,823.24 is: 290,924.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    382,938.93 : 528,434.95 = 210,823.24 : x
  2. Step 2: Convert to fraction form
    382,938.93/528,434.95 = 210,823.24/x
  3. Step 3: Cross multiply
    382,938.93x = 528,434.95 × 210,823.24
  4. Step 4: Simplify right side
    382,938.93x = 111,406,368,288.24
  5. Step 5: Solve for x
    x = 111,406,368,288.24/382,938.93
  6. Step 6: Final answer
    x = 290,924.63

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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.