Home / 1,173,192.61-1,618,169.45-1,076,707.47

Finding the Fourth Proportional to 1,173,192.61, 1,618,169.45 and 1,076,707.47

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Solution

The fourth proportional to 1,173,192.61, 1,618,169.45 and 1,076,707.47 is: 1,485,088.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,192.61 : 1,618,169.45 = 1,076,707.47 : x
  2. Step 2: Convert to fraction form
    1,173,192.61/1,618,169.45 = 1,076,707.47/x
  3. Step 3: Cross multiply
    1,173,192.61x = 1,618,169.45 × 1,076,707.47
  4. Step 4: Simplify right side
    1,173,192.61x = 1,742,295,129,157.25
  5. Step 5: Solve for x
    x = 1,742,295,129,157.25/1,173,192.61
  6. Step 6: Final answer
    x = 1,485,088.74

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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.