Home / 744,402.13-1,116,225.93-317,871.52

Finding the Fourth Proportional to 744,402.13, 1,116,225.93 and 317,871.52

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Solution

The fourth proportional to 744,402.13, 1,116,225.93 and 317,871.52 is: 476,646.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    744,402.13 : 1,116,225.93 = 317,871.52 : x
  2. Step 2: Convert to fraction form
    744,402.13/1,116,225.93 = 317,871.52/x
  3. Step 3: Cross multiply
    744,402.13x = 1,116,225.93 × 317,871.52
  4. Step 4: Simplify right side
    744,402.13x = 354,816,433,032.51
  5. Step 5: Solve for x
    x = 354,816,433,032.51/744,402.13
  6. Step 6: Final answer
    x = 476,646.18

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.