Home / 1,186,833.62-1,637,831.07-642,973.19

Finding the Fourth Proportional to 1,186,833.62, 1,637,831.07 and 642,973.19

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Solution

The fourth proportional to 1,186,833.62, 1,637,831.07 and 642,973.19 is: 887,303.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,833.62 : 1,637,831.07 = 642,973.19 : x
  2. Step 2: Convert to fraction form
    1,186,833.62/1,637,831.07 = 642,973.19/x
  3. Step 3: Cross multiply
    1,186,833.62x = 1,637,831.07 × 642,973.19
  4. Step 4: Simplify right side
    1,186,833.62x = 1,053,081,459,569.86
  5. Step 5: Solve for x
    x = 1,053,081,459,569.86/1,186,833.62
  6. Step 6: Final answer
    x = 887,303.36

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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.