Home / 847,038.87-1,168,915.46-465,089.85

Finding the Fourth Proportional to 847,038.87, 1,168,915.46 and 465,089.85

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Solution

The fourth proportional to 847,038.87, 1,168,915.46 and 465,089.85 is: 641,824.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,038.87 : 1,168,915.46 = 465,089.85 : x
  2. Step 2: Convert to fraction form
    847,038.87/1,168,915.46 = 465,089.85/x
  3. Step 3: Cross multiply
    847,038.87x = 1,168,915.46 × 465,089.85
  4. Step 4: Simplify right side
    847,038.87x = 543,650,713,628.63
  5. Step 5: Solve for x
    x = 543,650,713,628.63/847,038.87
  6. Step 6: Final answer
    x = 641,824.99

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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.