Home / 1,200,691.19-1,657,043.75-684,457.39

Finding the Fourth Proportional to 1,200,691.19, 1,657,043.75 and 684,457.39

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Solution

The fourth proportional to 1,200,691.19, 1,657,043.75 and 684,457.39 is: 944,602.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,691.19 : 1,657,043.75 = 684,457.39 : x
  2. Step 2: Convert to fraction form
    1,200,691.19/1,657,043.75 = 684,457.39/x
  3. Step 3: Cross multiply
    1,200,691.19x = 1,657,043.75 × 684,457.39
  4. Step 4: Simplify right side
    1,200,691.19x = 1,134,175,840,240.81
  5. Step 5: Solve for x
    x = 1,134,175,840,240.81/1,200,691.19
  6. Step 6: Final answer
    x = 944,602.45

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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.