Home / 1,377,369.40-2,066,054.10-1,156,919.80

Finding the Fourth Proportional to 1,377,369.40, 2,066,054.10 and 1,156,919.80

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Solution

The fourth proportional to 1,377,369.40, 2,066,054.10 and 1,156,919.80 is: 1,735,379.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,377,369.40 : 2,066,054.10 = 1,156,919.80 : x
  2. Step 2: Convert to fraction form
    1,377,369.40/2,066,054.10 = 1,156,919.80/x
  3. Step 3: Cross multiply
    1,377,369.40x = 2,066,054.10 × 1,156,919.80
  4. Step 4: Simplify right side
    1,377,369.40x = 2,390,258,896,161.18
  5. Step 5: Solve for x
    x = 2,390,258,896,161.18/1,377,369.40
  6. Step 6: Final answer
    x = 1,735,379.70

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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.