Home / 1,186,670.47-1,637,571.50-696,632.11

Finding the Fourth Proportional to 1,186,670.47, 1,637,571.50 and 696,632.11

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Solution

The fourth proportional to 1,186,670.47, 1,637,571.50 and 696,632.11 is: 961,332.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,670.47 : 1,637,571.50 = 696,632.11 : x
  2. Step 2: Convert to fraction form
    1,186,670.47/1,637,571.50 = 696,632.11/x
  3. Step 3: Cross multiply
    1,186,670.47x = 1,637,571.50 × 696,632.11
  4. Step 4: Simplify right side
    1,186,670.47x = 1,140,784,893,567.49
  5. Step 5: Solve for x
    x = 1,140,784,893,567.49/1,186,670.47
  6. Step 6: Final answer
    x = 961,332.50

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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.