Home / 1,199,411.64-1,655,143.07-655,543.01

Finding the Fourth Proportional to 1,199,411.64, 1,655,143.07 and 655,543.01

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Solution

The fourth proportional to 1,199,411.64, 1,655,143.07 and 655,543.01 is: 904,624.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,411.64 : 1,655,143.07 = 655,543.01 : x
  2. Step 2: Convert to fraction form
    1,199,411.64/1,655,143.07 = 655,543.01/x
  3. Step 3: Cross multiply
    1,199,411.64x = 1,655,143.07 × 655,543.01
  4. Step 4: Simplify right side
    1,199,411.64x = 1,085,017,458,535.01
  5. Step 5: Solve for x
    x = 1,085,017,458,535.01/1,199,411.64
  6. Step 6: Final answer
    x = 904,624.75

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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.