Home / 1,992,785.34-2,989,678.59-572,844

Finding the Fourth Proportional to 1,992,785.34, 2,989,678.59 and 572,844

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Solution

The fourth proportional to 1,992,785.34, 2,989,678.59 and 572,844 is: 859,409.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,992,785.34 : 2,989,678.59 = 572,844 : x
  2. Step 2: Convert to fraction form
    1,992,785.34/2,989,678.59 = 572,844/x
  3. Step 3: Cross multiply
    1,992,785.34x = 2,989,678.59 × 572,844
  4. Step 4: Simplify right side
    1,992,785.34x = 1,712,619,442,209.96
  5. Step 5: Solve for x
    x = 1,712,619,442,209.96/1,992,785.34
  6. Step 6: Final answer
    x = 859,409.90

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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.