Home / 943,218-1,301,739.26-535,429.98

Finding the Fourth Proportional to 943,218, 1,301,739.26 and 535,429.98

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Solution

The fourth proportional to 943,218, 1,301,739.26 and 535,429.98 is: 738,949.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    943,218 : 1,301,739.26 = 535,429.98 : x
  2. Step 2: Convert to fraction form
    943,218/1,301,739.26 = 535,429.98/x
  3. Step 3: Cross multiply
    943,218x = 1,301,739.26 × 535,429.98
  4. Step 4: Simplify right side
    943,218x = 696,990,223,269.87
  5. Step 5: Solve for x
    x = 696,990,223,269.87/943,218
  6. Step 6: Final answer
    x = 738,949.24

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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.