Home / 1,047,345.80-1,567,389.90-626,923.40

Finding the Fourth Proportional to 1,047,345.80, 1,567,389.90 and 626,923.40

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Solution

The fourth proportional to 1,047,345.80, 1,567,389.90 and 626,923.40 is: 938,212.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,345.80 : 1,567,389.90 = 626,923.40 : x
  2. Step 2: Convert to fraction form
    1,047,345.80/1,567,389.90 = 626,923.40/x
  3. Step 3: Cross multiply
    1,047,345.80x = 1,567,389.90 × 626,923.40
  4. Step 4: Simplify right side
    1,047,345.80x = 982,633,405,233.66
  5. Step 5: Solve for x
    x = 982,633,405,233.66/1,047,345.80
  6. Step 6: Final answer
    x = 938,212.96

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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.