Home / 676,835.78-934,458.08-435,537.68

Finding the Fourth Proportional to 676,835.78, 934,458.08 and 435,537.68

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Solution

The fourth proportional to 676,835.78, 934,458.08 and 435,537.68 is: 601,315.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,835.78 : 934,458.08 = 435,537.68 : x
  2. Step 2: Convert to fraction form
    676,835.78/934,458.08 = 435,537.68/x
  3. Step 3: Cross multiply
    676,835.78x = 934,458.08 × 435,537.68
  4. Step 4: Simplify right side
    676,835.78x = 406,991,697,370.48
  5. Step 5: Solve for x
    x = 406,991,697,370.48/676,835.78
  6. Step 6: Final answer
    x = 601,315.29

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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.