Home / 964,811.52-1,331,503.92-535,109.76

Finding the Fourth Proportional to 964,811.52, 1,331,503.92 and 535,109.76

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Solution

The fourth proportional to 964,811.52, 1,331,503.92 and 535,109.76 is: 738,486.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,811.52 : 1,331,503.92 = 535,109.76 : x
  2. Step 2: Convert to fraction form
    964,811.52/1,331,503.92 = 535,109.76/x
  3. Step 3: Cross multiply
    964,811.52x = 1,331,503.92 × 535,109.76
  4. Step 4: Simplify right side
    964,811.52x = 712,500,743,070.26
  5. Step 5: Solve for x
    x = 712,500,743,070.26/964,811.52
  6. Step 6: Final answer
    x = 738,486.98

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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.