Home / 1,556,798.58-2,148,381.09-841,406.58

Finding the Fourth Proportional to 1,556,798.58, 2,148,381.09 and 841,406.58

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Solution

The fourth proportional to 1,556,798.58, 2,148,381.09 and 841,406.58 is: 1,161,140.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,798.58 : 2,148,381.09 = 841,406.58 : x
  2. Step 2: Convert to fraction form
    1,556,798.58/2,148,381.09 = 841,406.58/x
  3. Step 3: Cross multiply
    1,556,798.58x = 2,148,381.09 × 841,406.58
  4. Step 4: Simplify right side
    1,556,798.58x = 1,807,661,985,473.57
  5. Step 5: Solve for x
    x = 1,807,661,985,473.57/1,556,798.58
  6. Step 6: Final answer
    x = 1,161,140.57

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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.