Home / 708,895.97-977,723.52-454,270.85

Finding the Fourth Proportional to 708,895.97, 977,723.52 and 454,270.85

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Solution

The fourth proportional to 708,895.97, 977,723.52 and 454,270.85 is: 626,539.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,895.97 : 977,723.52 = 454,270.85 : x
  2. Step 2: Convert to fraction form
    708,895.97/977,723.52 = 454,270.85/x
  3. Step 3: Cross multiply
    708,895.97x = 977,723.52 × 454,270.85
  4. Step 4: Simplify right side
    708,895.97x = 444,151,294,495.39
  5. Step 5: Solve for x
    x = 444,151,294,495.39/708,895.97
  6. Step 6: Final answer
    x = 626,539.45

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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.