Home / 974,729.78-1,462,094.67-642,228.02

Finding the Fourth Proportional to 974,729.78, 1,462,094.67 and 642,228.02

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Solution

The fourth proportional to 974,729.78, 1,462,094.67 and 642,228.02 is: 963,342.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,729.78 : 1,462,094.67 = 642,228.02 : x
  2. Step 2: Convert to fraction form
    974,729.78/1,462,094.67 = 642,228.02/x
  3. Step 3: Cross multiply
    974,729.78x = 1,462,094.67 × 642,228.02
  4. Step 4: Simplify right side
    974,729.78x = 938,998,164,966.65
  5. Step 5: Solve for x
    x = 938,998,164,966.65/974,729.78
  6. Step 6: Final answer
    x = 963,342.03

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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.