Home / 683,971.52-943,878.72-382,165.76

Finding the Fourth Proportional to 683,971.52, 943,878.72 and 382,165.76

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Solution

The fourth proportional to 683,971.52, 943,878.72 and 382,165.76 is: 527,387.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,971.52 : 943,878.72 = 382,165.76 : x
  2. Step 2: Convert to fraction form
    683,971.52/943,878.72 = 382,165.76/x
  3. Step 3: Cross multiply
    683,971.52x = 943,878.72 × 382,165.76
  4. Step 4: Simplify right side
    683,971.52x = 360,718,128,376.63
  5. Step 5: Solve for x
    x = 360,718,128,376.63/683,971.52
  6. Step 6: Final answer
    x = 527,387.64

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1.5x scale

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.