Home / 710,489.04-1,066,259.52-336,513.12

Finding the Fourth Proportional to 710,489.04, 1,066,259.52 and 336,513.12

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Solution

The fourth proportional to 710,489.04, 1,066,259.52 and 336,513.12 is: 505,018.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,489.04 : 1,066,259.52 = 336,513.12 : x
  2. Step 2: Convert to fraction form
    710,489.04/1,066,259.52 = 336,513.12/x
  3. Step 3: Cross multiply
    710,489.04x = 1,066,259.52 × 336,513.12
  4. Step 4: Simplify right side
    710,489.04x = 358,810,317,804.90
  5. Step 5: Solve for x
    x = 358,810,317,804.90/710,489.04
  6. Step 6: Final answer
    x = 505,018.79

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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.