Home / 1,331,506.46-1,997,274.27-384,885.38

Finding the Fourth Proportional to 1,331,506.46, 1,997,274.27 and 384,885.38

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Solution

The fourth proportional to 1,331,506.46, 1,997,274.27 and 384,885.38 is: 577,332.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,506.46 : 1,997,274.27 = 384,885.38 : x
  2. Step 2: Convert to fraction form
    1,331,506.46/1,997,274.27 = 384,885.38/x
  3. Step 3: Cross multiply
    1,331,506.46x = 1,997,274.27 × 384,885.38
  4. Step 4: Simplify right side
    1,331,506.46x = 768,721,656,386.80
  5. Step 5: Solve for x
    x = 768,721,656,386.80/1,331,506.46
  6. Step 6: Final answer
    x = 577,332.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.