Home / 910,800.90-1,360,466.64-668,773.80

Finding the Fourth Proportional to 910,800.90, 1,360,466.64 and 668,773.80

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Solution

The fourth proportional to 910,800.90, 1,360,466.64 and 668,773.80 is: 998,949.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,800.90 : 1,360,466.64 = 668,773.80 : x
  2. Step 2: Convert to fraction form
    910,800.90/1,360,466.64 = 668,773.80/x
  3. Step 3: Cross multiply
    910,800.90x = 1,360,466.64 × 668,773.80
  4. Step 4: Simplify right side
    910,800.90x = 909,844,444,606.03
  5. Step 5: Solve for x
    x = 909,844,444,606.03/910,800.90
  6. Step 6: Final answer
    x = 998,949.87

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.