Home / 1,096,368.80-1,643,516.40-647,434.40

Finding the Fourth Proportional to 1,096,368.80, 1,643,516.40 and 647,434.40

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Solution

The fourth proportional to 1,096,368.80, 1,643,516.40 and 647,434.40 is: 970,539.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,096,368.80 : 1,643,516.40 = 647,434.40 : x
  2. Step 2: Convert to fraction form
    1,096,368.80/1,643,516.40 = 647,434.40/x
  3. Step 3: Cross multiply
    1,096,368.80x = 1,643,516.40 × 647,434.40
  4. Step 4: Simplify right side
    1,096,368.80x = 1,064,069,054,324.16
  5. Step 5: Solve for x
    x = 1,064,069,054,324.16/1,096,368.80
  6. Step 6: Final answer
    x = 970,539.34

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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.