Home / 1,243,337.50-1,865,006.25-401,889.25

Finding the Fourth Proportional to 1,243,337.50, 1,865,006.25 and 401,889.25

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Solution

The fourth proportional to 1,243,337.50, 1,865,006.25 and 401,889.25 is: 602,833.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,337.50 : 1,865,006.25 = 401,889.25 : x
  2. Step 2: Convert to fraction form
    1,243,337.50/1,865,006.25 = 401,889.25/x
  3. Step 3: Cross multiply
    1,243,337.50x = 1,865,006.25 × 401,889.25
  4. Step 4: Simplify right side
    1,243,337.50x = 749,525,963,057.81
  5. Step 5: Solve for x
    x = 749,525,963,057.81/1,243,337.50
  6. Step 6: Final answer
    x = 602,833.88

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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.