Home / 525,284.52-786,664.20-299,962.77

Finding the Fourth Proportional to 525,284.52, 786,664.20 and 299,962.77

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Solution

The fourth proportional to 525,284.52, 786,664.20 and 299,962.77 is: 449,223.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    525,284.52 : 786,664.20 = 299,962.77 : x
  2. Step 2: Convert to fraction form
    525,284.52/786,664.20 = 299,962.77/x
  3. Step 3: Cross multiply
    525,284.52x = 786,664.20 × 299,962.77
  4. Step 4: Simplify right side
    525,284.52x = 235,969,972,491.83
  5. Step 5: Solve for x
    x = 235,969,972,491.83/525,284.52
  6. Step 6: Final answer
    x = 449,223.16

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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.