Home / 1,256,506.40-1,884,759.60-921,895.40

Finding the Fourth Proportional to 1,256,506.40, 1,884,759.60 and 921,895.40

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Solution

The fourth proportional to 1,256,506.40, 1,884,759.60 and 921,895.40 is: 1,382,843.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,506.40 : 1,884,759.60 = 921,895.40 : x
  2. Step 2: Convert to fraction form
    1,256,506.40/1,884,759.60 = 921,895.40/x
  3. Step 3: Cross multiply
    1,256,506.40x = 1,884,759.60 × 921,895.40
  4. Step 4: Simplify right side
    1,256,506.40x = 1,737,551,205,345.84
  5. Step 5: Solve for x
    x = 1,737,551,205,345.84/1,256,506.40
  6. Step 6: Final answer
    x = 1,382,843.10

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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.