Home / 525,101.90-787,069.65-288,614.30

Finding the Fourth Proportional to 525,101.90, 787,069.65 and 288,614.30

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Solution

The fourth proportional to 525,101.90, 787,069.65 and 288,614.30 is: 432,600.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,101.90 : 787,069.65 = 288,614.30 : x
  2. Step 2: Convert to fraction form
    525,101.90/787,069.65 = 288,614.30/x
  3. Step 3: Cross multiply
    525,101.90x = 787,069.65 × 288,614.30
  4. Step 4: Simplify right side
    525,101.90x = 227,159,556,086.00
  5. Step 5: Solve for x
    x = 227,159,556,086.00/525,101.90
  6. Step 6: Final answer
    x = 432,600.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.