Home / 1,331,510.22-1,997,279.91-384,889.14

Finding the Fourth Proportional to 1,331,510.22, 1,997,279.91 and 384,889.14

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Solution

The fourth proportional to 1,331,510.22, 1,997,279.91 and 384,889.14 is: 577,337.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,510.22 : 1,997,279.91 = 384,889.14 : x
  2. Step 2: Convert to fraction form
    1,331,510.22/1,997,279.91 = 384,889.14/x
  3. Step 3: Cross multiply
    1,331,510.22x = 1,997,279.91 × 384,889.14
  4. Step 4: Simplify right side
    1,331,510.22x = 768,731,346,899.18
  5. Step 5: Solve for x
    x = 768,731,346,899.18/1,331,510.22
  6. Step 6: Final answer
    x = 577,337.92

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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.