Home / 693,005.05-1,038,057.57-557,335.76

Finding the Fourth Proportional to 693,005.05, 1,038,057.57 and 557,335.76

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Solution

The fourth proportional to 693,005.05, 1,038,057.57 and 557,335.76 is: 834,837.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,005.05 : 1,038,057.57 = 557,335.76 : x
  2. Step 2: Convert to fraction form
    693,005.05/1,038,057.57 = 557,335.76/x
  3. Step 3: Cross multiply
    693,005.05x = 1,038,057.57 × 557,335.76
  4. Step 4: Simplify right side
    693,005.05x = 578,546,599,509.42
  5. Step 5: Solve for x
    x = 578,546,599,509.42/693,005.05
  6. Step 6: Final answer
    x = 834,837.49

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1.5x scale

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.