Home / 1,668,816.78-2,303,012.45-943,772.93

Finding the Fourth Proportional to 1,668,816.78, 2,303,012.45 and 943,772.93

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Solution

The fourth proportional to 1,668,816.78, 2,303,012.45 and 943,772.93 is: 1,302,432.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,816.78 : 2,303,012.45 = 943,772.93 : x
  2. Step 2: Convert to fraction form
    1,668,816.78/2,303,012.45 = 943,772.93/x
  3. Step 3: Cross multiply
    1,668,816.78x = 2,303,012.45 × 943,772.93
  4. Step 4: Simplify right side
    1,668,816.78x = 2,173,520,807,762.98
  5. Step 5: Solve for x
    x = 2,173,520,807,762.98/1,668,816.78
  6. Step 6: Final answer
    x = 1,302,432.26

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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.