Home / 1,283,644.06-1,925,868.93-771,898.21

Finding the Fourth Proportional to 1,283,644.06, 1,925,868.93 and 771,898.21

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Solution

The fourth proportional to 1,283,644.06, 1,925,868.93 and 771,898.21 is: 1,158,089.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,283,644.06 : 1,925,868.93 = 771,898.21 : x
  2. Step 2: Convert to fraction form
    1,283,644.06/1,925,868.93 = 771,898.21/x
  3. Step 3: Cross multiply
    1,283,644.06x = 1,925,868.93 × 771,898.21
  4. Step 4: Simplify right side
    1,283,644.06x = 1,486,574,779,761.62
  5. Step 5: Solve for x
    x = 1,486,574,779,761.62/1,283,644.06
  6. Step 6: Final answer
    x = 1,158,089.56

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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.