Home / 878,210.85-1,211,262.28-755,911.38

Finding the Fourth Proportional to 878,210.85, 1,211,262.28 and 755,911.38

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Solution

The fourth proportional to 878,210.85, 1,211,262.28 and 755,911.38 is: 1,042,582.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    878,210.85 : 1,211,262.28 = 755,911.38 : x
  2. Step 2: Convert to fraction form
    878,210.85/1,211,262.28 = 755,911.38/x
  3. Step 3: Cross multiply
    878,210.85x = 1,211,262.28 × 755,911.38
  4. Step 4: Simplify right side
    878,210.85x = 915,606,941,616.75
  5. Step 5: Solve for x
    x = 915,606,941,616.75/878,210.85
  6. Step 6: Final answer
    x = 1,042,582.13

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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.