Home / 1,065,312.33-1,470,122.28-581,877.78

Finding the Fourth Proportional to 1,065,312.33, 1,470,122.28 and 581,877.78

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Solution

The fourth proportional to 1,065,312.33, 1,470,122.28 and 581,877.78 is: 802,986.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,312.33 : 1,470,122.28 = 581,877.78 : x
  2. Step 2: Convert to fraction form
    1,065,312.33/1,470,122.28 = 581,877.78/x
  3. Step 3: Cross multiply
    1,065,312.33x = 1,470,122.28 × 581,877.78
  4. Step 4: Simplify right side
    1,065,312.33x = 855,431,488,614.94
  5. Step 5: Solve for x
    x = 855,431,488,614.94/1,065,312.33
  6. Step 6: Final answer
    x = 802,986.57

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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.