Home / 1,142,185.32-1,712,072.34-383,307.24

Finding the Fourth Proportional to 1,142,185.32, 1,712,072.34 and 383,307.24

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Solution

The fourth proportional to 1,142,185.32, 1,712,072.34 and 383,307.24 is: 574,556.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,185.32 : 1,712,072.34 = 383,307.24 : x
  2. Step 2: Convert to fraction form
    1,142,185.32/1,712,072.34 = 383,307.24/x
  3. Step 3: Cross multiply
    1,142,185.32x = 1,712,072.34 × 383,307.24
  4. Step 4: Simplify right side
    1,142,185.32x = 656,249,723,325.74
  5. Step 5: Solve for x
    x = 656,249,723,325.74/1,142,185.32
  6. Step 6: Final answer
    x = 574,556.26

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1.5x scale

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.