Home / 910,950.90-1,365,551.55-708,434.70

Finding the Fourth Proportional to 910,950.90, 1,365,551.55 and 708,434.70

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Solution

The fourth proportional to 910,950.90, 1,365,551.55 and 708,434.70 is: 1,061,971.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,950.90 : 1,365,551.55 = 708,434.70 : x
  2. Step 2: Convert to fraction form
    910,950.90/1,365,551.55 = 708,434.70/x
  3. Step 3: Cross multiply
    910,950.90x = 1,365,551.55 × 708,434.70
  4. Step 4: Simplify right side
    910,950.90x = 967,404,102,658.79
  5. Step 5: Solve for x
    x = 967,404,102,658.79/910,950.90
  6. Step 6: Final answer
    x = 1,061,971.73

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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.