Home / 632,913.35-873,421.38-346,451.58

Finding the Fourth Proportional to 632,913.35, 873,421.38 and 346,451.58

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Solution

The fourth proportional to 632,913.35, 873,421.38 and 346,451.58 is: 478,103.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    632,913.35 : 873,421.38 = 346,451.58 : x
  2. Step 2: Convert to fraction form
    632,913.35/873,421.38 = 346,451.58/x
  3. Step 3: Cross multiply
    632,913.35x = 873,421.38 × 346,451.58
  4. Step 4: Simplify right side
    632,913.35x = 302,598,217,106.78
  5. Step 5: Solve for x
    x = 302,598,217,106.78/632,913.35
  6. Step 6: Final answer
    x = 478,103.71

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1.5x scale

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.