Home / 683,314.08-943,009.20-381,490.08

Finding the Fourth Proportional to 683,314.08, 943,009.20 and 381,490.08

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Solution

The fourth proportional to 683,314.08, 943,009.20 and 381,490.08 is: 526,476.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,314.08 : 943,009.20 = 381,490.08 : x
  2. Step 2: Convert to fraction form
    683,314.08/943,009.20 = 381,490.08/x
  3. Step 3: Cross multiply
    683,314.08x = 943,009.20 × 381,490.08
  4. Step 4: Simplify right side
    683,314.08x = 359,748,655,148.74
  5. Step 5: Solve for x
    x = 359,748,655,148.74/683,314.08
  6. Step 6: Final answer
    x = 526,476.28

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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.