Home / 1,173,276.09-1,618,795.22-663,967.53

Finding the Fourth Proportional to 1,173,276.09, 1,618,795.22 and 663,967.53

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Solution

The fourth proportional to 1,173,276.09, 1,618,795.22 and 663,967.53 is: 916,090.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,173,276.09 : 1,618,795.22 = 663,967.53 : x
  2. Step 2: Convert to fraction form
    1,173,276.09/1,618,795.22 = 663,967.53/x
  3. Step 3: Cross multiply
    1,173,276.09x = 1,618,795.22 × 663,967.53
  4. Step 4: Simplify right side
    1,173,276.09x = 1,074,827,460,479.37
  5. Step 5: Solve for x
    x = 1,074,827,460,479.37/1,173,276.09
  6. Step 6: Final answer
    x = 916,090.82

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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.