Home / 952,333.30-1,428,499.95-742,128.58

Finding the Fourth Proportional to 952,333.30, 1,428,499.95 and 742,128.58

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Solution

The fourth proportional to 952,333.30, 1,428,499.95 and 742,128.58 is: 1,113,192.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,333.30 : 1,428,499.95 = 742,128.58 : x
  2. Step 2: Convert to fraction form
    952,333.30/1,428,499.95 = 742,128.58/x
  3. Step 3: Cross multiply
    952,333.30x = 1,428,499.95 × 742,128.58
  4. Step 4: Simplify right side
    952,333.30x = 1,060,130,639,423.57
  5. Step 5: Solve for x
    x = 1,060,130,639,423.57/952,333.30
  6. Step 6: Final answer
    x = 1,113,192.87

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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.