Home / 708,645.06-977,684.85-454,136.58

Finding the Fourth Proportional to 708,645.06, 977,684.85 and 454,136.58

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Solution

The fourth proportional to 708,645.06, 977,684.85 and 454,136.58 is: 626,551.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    708,645.06 : 977,684.85 = 454,136.58 : x
  2. Step 2: Convert to fraction form
    708,645.06/977,684.85 = 454,136.58/x
  3. Step 3: Cross multiply
    708,645.06x = 977,684.85 × 454,136.58
  4. Step 4: Simplify right side
    708,645.06x = 444,002,454,096.81
  5. Step 5: Solve for x
    x = 444,002,454,096.81/708,645.06
  6. Step 6: Final answer
    x = 626,551.26

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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.