Home / 548,823.40-824,984.70-517,330.60

Finding the Fourth Proportional to 548,823.40, 824,984.70 and 517,330.60

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Solution

The fourth proportional to 548,823.40, 824,984.70 and 517,330.60 is: 777,645.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    548,823.40 : 824,984.70 = 517,330.60 : x
  2. Step 2: Convert to fraction form
    548,823.40/824,984.70 = 517,330.60/x
  3. Step 3: Cross multiply
    548,823.40x = 824,984.70 × 517,330.60
  4. Step 4: Simplify right side
    548,823.40x = 426,789,829,841.82
  5. Step 5: Solve for x
    x = 426,789,829,841.82/548,823.40
  6. Step 6: Final answer
    x = 777,645.10

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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.