Home / 1,047,352.80-1,567,400.40-626,930.40

Finding the Fourth Proportional to 1,047,352.80, 1,567,400.40 and 626,930.40

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Solution

The fourth proportional to 1,047,352.80, 1,567,400.40 and 626,930.40 is: 938,223.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,352.80 : 1,567,400.40 = 626,930.40 : x
  2. Step 2: Convert to fraction form
    1,047,352.80/1,567,400.40 = 626,930.40/x
  3. Step 3: Cross multiply
    1,047,352.80x = 1,567,400.40 × 626,930.40
  4. Step 4: Simplify right side
    1,047,352.80x = 982,650,959,732.16
  5. Step 5: Solve for x
    x = 982,650,959,732.16/1,047,352.80
  6. Step 6: Final answer
    x = 938,223.45

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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.