Home / 1,101,760-1,653,339.12-470,678.56

Finding the Fourth Proportional to 1,101,760, 1,653,339.12 and 470,678.56

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Solution

The fourth proportional to 1,101,760, 1,653,339.12 and 470,678.56 is: 706,316.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,101,760 : 1,653,339.12 = 470,678.56 : x
  2. Step 2: Convert to fraction form
    1,101,760/1,653,339.12 = 470,678.56/x
  3. Step 3: Cross multiply
    1,101,760x = 1,653,339.12 × 470,678.56
  4. Step 4: Simplify right side
    1,101,760x = 778,191,276,193.27
  5. Step 5: Solve for x
    x = 778,191,276,193.27/1,101,760
  6. Step 6: Final answer
    x = 706,316.51

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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.