Home / 939,829.17-1,296,966.74-510,109.29

Finding the Fourth Proportional to 939,829.17, 1,296,966.74 and 510,109.29

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Solution

The fourth proportional to 939,829.17, 1,296,966.74 and 510,109.29 is: 703,952.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,829.17 : 1,296,966.74 = 510,109.29 : x
  2. Step 2: Convert to fraction form
    939,829.17/1,296,966.74 = 510,109.29/x
  3. Step 3: Cross multiply
    939,829.17x = 1,296,966.74 × 510,109.29
  4. Step 4: Simplify right side
    939,829.17x = 661,594,787,412.71
  5. Step 5: Solve for x
    x = 661,594,787,412.71/939,829.17
  6. Step 6: Final answer
    x = 703,952.18

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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.