Home / 1,152,315.99-1,730,714.72-939,240.23

Finding the Fourth Proportional to 1,152,315.99, 1,730,714.72 and 939,240.23

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Solution

The fourth proportional to 1,152,315.99, 1,730,714.72 and 939,240.23 is: 1,410,686.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,152,315.99 : 1,730,714.72 = 939,240.23 : x
  2. Step 2: Convert to fraction form
    1,152,315.99/1,730,714.72 = 939,240.23/x
  3. Step 3: Cross multiply
    1,152,315.99x = 1,730,714.72 × 939,240.23
  4. Step 4: Simplify right side
    1,152,315.99x = 1,625,556,878,327.41
  5. Step 5: Solve for x
    x = 1,625,556,878,327.41/1,152,315.99
  6. Step 6: Final answer
    x = 1,410,686.73

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.