Home / 1,556,689.59-2,148,228.14-877,621.23

Finding the Fourth Proportional to 1,556,689.59, 2,148,228.14 and 877,621.23

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Solution

The fourth proportional to 1,556,689.59, 2,148,228.14 and 877,621.23 is: 1,211,115.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,689.59 : 2,148,228.14 = 877,621.23 : x
  2. Step 2: Convert to fraction form
    1,556,689.59/2,148,228.14 = 877,621.23/x
  3. Step 3: Cross multiply
    1,556,689.59x = 2,148,228.14 × 877,621.23
  4. Step 4: Simplify right side
    1,556,689.59x = 1,885,330,618,159.31
  5. Step 5: Solve for x
    x = 1,885,330,618,159.31/1,556,689.59
  6. Step 6: Final answer
    x = 1,211,115.32

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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.