Home / 963,855.45-1,330,128.23-534,142.71

Finding the Fourth Proportional to 963,855.45, 1,330,128.23 and 534,142.71

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Solution

The fourth proportional to 963,855.45, 1,330,128.23 and 534,142.71 is: 737,121.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,855.45 : 1,330,128.23 = 534,142.71 : x
  2. Step 2: Convert to fraction form
    963,855.45/1,330,128.23 = 534,142.71/x
  3. Step 3: Cross multiply
    963,855.45x = 1,330,128.23 × 534,142.71
  4. Step 4: Simplify right side
    963,855.45x = 710,478,294,748.99
  5. Step 5: Solve for x
    x = 710,478,294,748.99/963,855.45
  6. Step 6: Final answer
    x = 737,121.21

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Double scale
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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.