Home / 964,740-1,331,341.20-535,085.92

Finding the Fourth Proportional to 964,740, 1,331,341.20 and 535,085.92

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Solution

The fourth proportional to 964,740, 1,331,341.20 and 535,085.92 is: 738,418.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,740 : 1,331,341.20 = 535,085.92 : x
  2. Step 2: Convert to fraction form
    964,740/1,331,341.20 = 535,085.92/x
  3. Step 3: Cross multiply
    964,740x = 1,331,341.20 × 535,085.92
  4. Step 4: Simplify right side
    964,740x = 712,381,930,835.90
  5. Step 5: Solve for x
    x = 712,381,930,835.90/964,740
  6. Step 6: Final answer
    x = 738,418.57

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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.