Home / 1,291,804.40-1,934,207.40-1,011,868.40

Finding the Fourth Proportional to 1,291,804.40, 1,934,207.40 and 1,011,868.40

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Solution

The fourth proportional to 1,291,804.40, 1,934,207.40 and 1,011,868.40 is: 1,515,061.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,804.40 : 1,934,207.40 = 1,011,868.40 : x
  2. Step 2: Convert to fraction form
    1,291,804.40/1,934,207.40 = 1,011,868.40/x
  3. Step 3: Cross multiply
    1,291,804.40x = 1,934,207.40 × 1,011,868.40
  4. Step 4: Simplify right side
    1,291,804.40x = 1,957,163,347,106.16
  5. Step 5: Solve for x
    x = 1,957,163,347,106.16/1,291,804.40
  6. Step 6: Final answer
    x = 1,515,061.68

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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.