Home / 531,214.03-733,065.69-289,498.69

Finding the Fourth Proportional to 531,214.03, 733,065.69 and 289,498.69

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Solution

The fourth proportional to 531,214.03, 733,065.69 and 289,498.69 is: 399,502.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,214.03 : 733,065.69 = 289,498.69 : x
  2. Step 2: Convert to fraction form
    531,214.03/733,065.69 = 289,498.69/x
  3. Step 3: Cross multiply
    531,214.03x = 733,065.69 × 289,498.69
  4. Step 4: Simplify right side
    531,214.03x = 212,221,556,938.95
  5. Step 5: Solve for x
    x = 212,221,556,938.95/531,214.03
  6. Step 6: Final answer
    x = 399,502.92

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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.