Home / 939,549.76-1,296,588.04-509,833.52

Finding the Fourth Proportional to 939,549.76, 1,296,588.04 and 509,833.52

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Solution

The fourth proportional to 939,549.76, 1,296,588.04 and 509,833.52 is: 703,575.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,549.76 : 1,296,588.04 = 509,833.52 : x
  2. Step 2: Convert to fraction form
    939,549.76/1,296,588.04 = 509,833.52/x
  3. Step 3: Cross multiply
    939,549.76x = 1,296,588.04 × 509,833.52
  4. Step 4: Simplify right side
    939,549.76x = 661,044,044,423.10
  5. Step 5: Solve for x
    x = 661,044,044,423.10/939,549.76
  6. Step 6: Final answer
    x = 703,575.34

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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.