Home / 1,421,748.05-2,132,622.08-475,118.77

Finding the Fourth Proportional to 1,421,748.05, 2,132,622.08 and 475,118.77

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Solution

The fourth proportional to 1,421,748.05, 2,132,622.08 and 475,118.77 is: 712,678.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,748.05 : 2,132,622.08 = 475,118.77 : x
  2. Step 2: Convert to fraction form
    1,421,748.05/2,132,622.08 = 475,118.77/x
  3. Step 3: Cross multiply
    1,421,748.05x = 2,132,622.08 × 475,118.77
  4. Step 4: Simplify right side
    1,421,748.05x = 1,013,248,780,712.24
  5. Step 5: Solve for x
    x = 1,013,248,780,712.24/1,421,748.05
  6. Step 6: Final answer
    x = 712,678.16

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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.