Home / 1,191,056.46-1,643,668.29-647,192.24

Finding the Fourth Proportional to 1,191,056.46, 1,643,668.29 and 647,192.24

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Solution

The fourth proportional to 1,191,056.46, 1,643,668.29 and 647,192.24 is: 893,130.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,056.46 : 1,643,668.29 = 647,192.24 : x
  2. Step 2: Convert to fraction form
    1,191,056.46/1,643,668.29 = 647,192.24/x
  3. Step 3: Cross multiply
    1,191,056.46x = 1,643,668.29 × 647,192.24
  4. Step 4: Simplify right side
    1,191,056.46x = 1,063,769,362,422.07
  5. Step 5: Solve for x
    x = 1,063,769,362,422.07/1,191,056.46
  6. Step 6: Final answer
    x = 893,130.93

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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.