Home / 652,933.12-900,445.26-435,266.68

Finding the Fourth Proportional to 652,933.12, 900,445.26 and 435,266.68

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Solution

The fourth proportional to 652,933.12, 900,445.26 and 435,266.68 is: 600,266.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,933.12 : 900,445.26 = 435,266.68 : x
  2. Step 2: Convert to fraction form
    652,933.12/900,445.26 = 435,266.68/x
  3. Step 3: Cross multiply
    652,933.12x = 900,445.26 × 435,266.68
  4. Step 4: Simplify right side
    652,933.12x = 391,933,818,841.94
  5. Step 5: Solve for x
    x = 391,933,818,841.94/652,933.12
  6. Step 6: Final answer
    x = 600,266.41

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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.