Home / 696,243.51-1,042,592.85-458,866.53

Finding the Fourth Proportional to 696,243.51, 1,042,592.85 and 458,866.53

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Solution

The fourth proportional to 696,243.51, 1,042,592.85 and 458,866.53 is: 687,131.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,243.51 : 1,042,592.85 = 458,866.53 : x
  2. Step 2: Convert to fraction form
    696,243.51/1,042,592.85 = 458,866.53/x
  3. Step 3: Cross multiply
    696,243.51x = 1,042,592.85 × 458,866.53
  4. Step 4: Simplify right side
    696,243.51x = 478,410,963,282.31
  5. Step 5: Solve for x
    x = 478,410,963,282.31/696,243.51
  6. Step 6: Final answer
    x = 687,131.67

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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.