Home / 1,556,459.28-2,147,946.60-877,395.78

Finding the Fourth Proportional to 1,556,459.28, 2,147,946.60 and 877,395.78

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Solution

The fourth proportional to 1,556,459.28, 2,147,946.60 and 877,395.78 is: 1,210,824.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,459.28 : 2,147,946.60 = 877,395.78 : x
  2. Step 2: Convert to fraction form
    1,556,459.28/2,147,946.60 = 877,395.78/x
  3. Step 3: Cross multiply
    1,556,459.28x = 2,147,946.60 × 877,395.78
  4. Step 4: Simplify right side
    1,556,459.28x = 1,884,599,282,505.35
  5. Step 5: Solve for x
    x = 1,884,599,282,505.35/1,556,459.28
  6. Step 6: Final answer
    x = 1,210,824.66

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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.