Home / 1,133,683.48-1,564,479.12-624,384.64

Finding the Fourth Proportional to 1,133,683.48, 1,564,479.12 and 624,384.64

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Solution

The fourth proportional to 1,133,683.48, 1,564,479.12 and 624,384.64 is: 861,648.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,133,683.48 : 1,564,479.12 = 624,384.64 : x
  2. Step 2: Convert to fraction form
    1,133,683.48/1,564,479.12 = 624,384.64/x
  3. Step 3: Cross multiply
    1,133,683.48x = 1,564,479.12 × 624,384.64
  4. Step 4: Simplify right side
    1,133,683.48x = 976,836,732,128.72
  5. Step 5: Solve for x
    x = 976,836,732,128.72/1,133,683.48
  6. Step 6: Final answer
    x = 861,648.55

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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.