Home / 1,685,939.34-2,326,614.66-921,976.50

Finding the Fourth Proportional to 1,685,939.34, 2,326,614.66 and 921,976.50

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Solution

The fourth proportional to 1,685,939.34, 2,326,614.66 and 921,976.50 is: 1,272,337.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,939.34 : 2,326,614.66 = 921,976.50 : x
  2. Step 2: Convert to fraction form
    1,685,939.34/2,326,614.66 = 921,976.50/x
  3. Step 3: Cross multiply
    1,685,939.34x = 2,326,614.66 × 921,976.50
  4. Step 4: Simplify right side
    1,685,939.34x = 2,145,084,041,075.49
  5. Step 5: Solve for x
    x = 2,145,084,041,075.49/1,685,939.34
  6. Step 6: Final answer
    x = 1,272,337.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.