Home / 1,556,458.76-2,147,945.88-877,395.26

Finding the Fourth Proportional to 1,556,458.76, 2,147,945.88 and 877,395.26

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Solution

The fourth proportional to 1,556,458.76, 2,147,945.88 and 877,395.26 is: 1,210,823.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,458.76 : 2,147,945.88 = 877,395.26 : x
  2. Step 2: Convert to fraction form
    1,556,458.76/2,147,945.88 = 877,395.26/x
  3. Step 3: Cross multiply
    1,556,458.76x = 2,147,945.88 × 877,395.26
  4. Step 4: Simplify right side
    1,556,458.76x = 1,884,597,533,848.53
  5. Step 5: Solve for x
    x = 1,884,597,533,848.53/1,556,458.76
  6. Step 6: Final answer
    x = 1,210,823.94

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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.