Home / 927,814.64-1,389,358.88-611,312.24

Finding the Fourth Proportional to 927,814.64, 1,389,358.88 and 611,312.24

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Solution

The fourth proportional to 927,814.64, 1,389,358.88 and 611,312.24 is: 915,411.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,814.64 : 1,389,358.88 = 611,312.24 : x
  2. Step 2: Convert to fraction form
    927,814.64/1,389,358.88 = 611,312.24/x
  3. Step 3: Cross multiply
    927,814.64x = 1,389,358.88 × 611,312.24
  4. Step 4: Simplify right side
    927,814.64x = 849,332,089,096.69
  5. Step 5: Solve for x
    x = 849,332,089,096.69/927,814.64
  6. Step 6: Final answer
    x = 915,411.39

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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.