Home / 1,186,678.46-1,637,582.45-696,640.10

Finding the Fourth Proportional to 1,186,678.46, 1,637,582.45 and 696,640.10

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Solution

The fourth proportional to 1,186,678.46, 1,637,582.45 and 696,640.10 is: 961,343.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,678.46 : 1,637,582.45 = 696,640.10 : x
  2. Step 2: Convert to fraction form
    1,186,678.46/1,637,582.45 = 696,640.10/x
  3. Step 3: Cross multiply
    1,186,678.46x = 1,637,582.45 × 696,640.10
  4. Step 4: Simplify right side
    1,186,678.46x = 1,140,805,602,867.03
  5. Step 5: Solve for x
    x = 1,140,805,602,867.03/1,186,678.46
  6. Step 6: Final answer
    x = 961,343.48

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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.