Home / 920,977.92-1,270,944-518,699.52

Finding the Fourth Proportional to 920,977.92, 1,270,944 and 518,699.52

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Solution

The fourth proportional to 920,977.92, 1,270,944 and 518,699.52 is: 715,802.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,977.92 : 1,270,944 = 518,699.52 : x
  2. Step 2: Convert to fraction form
    920,977.92/1,270,944 = 518,699.52/x
  3. Step 3: Cross multiply
    920,977.92x = 1,270,944 × 518,699.52
  4. Step 4: Simplify right side
    920,977.92x = 659,238,042,746.88
  5. Step 5: Solve for x
    x = 659,238,042,746.88/920,977.92
  6. Step 6: Final answer
    x = 715,802.22

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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.