Home / 1,556,698.59-2,148,240.51-877,630.23

Finding the Fourth Proportional to 1,556,698.59, 2,148,240.51 and 877,630.23

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Solution

The fourth proportional to 1,556,698.59, 2,148,240.51 and 877,630.23 is: 1,211,127.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,698.59 : 2,148,240.51 = 877,630.23 : x
  2. Step 2: Convert to fraction form
    1,556,698.59/2,148,240.51 = 877,630.23/x
  3. Step 3: Cross multiply
    1,556,698.59x = 2,148,240.51 × 877,630.23
  4. Step 4: Simplify right side
    1,556,698.59x = 1,885,360,812,886.62
  5. Step 5: Solve for x
    x = 1,885,360,812,886.62/1,556,698.59
  6. Step 6: Final answer
    x = 1,211,127.72

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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.