Home / 1,285,431.04-1,927,702.14-527,057.20

Finding the Fourth Proportional to 1,285,431.04, 1,927,702.14 and 527,057.20

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Solution

The fourth proportional to 1,285,431.04, 1,927,702.14 and 527,057.20 is: 790,403.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,431.04 : 1,927,702.14 = 527,057.20 : x
  2. Step 2: Convert to fraction form
    1,285,431.04/1,927,702.14 = 527,057.20/x
  3. Step 3: Cross multiply
    1,285,431.04x = 1,927,702.14 × 527,057.20
  4. Step 4: Simplify right side
    1,285,431.04x = 1,016,009,292,342.41
  5. Step 5: Solve for x
    x = 1,016,009,292,342.41/1,285,431.04
  6. Step 6: Final answer
    x = 790,403.58

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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.