Home / 964,890.64-1,331,708.48-535,309.17

Finding the Fourth Proportional to 964,890.64, 1,331,708.48 and 535,309.17

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Solution

The fourth proportional to 964,890.64, 1,331,708.48 and 535,309.17 is: 738,815.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    964,890.64 : 1,331,708.48 = 535,309.17 : x
  2. Step 2: Convert to fraction form
    964,890.64/1,331,708.48 = 535,309.17/x
  3. Step 3: Cross multiply
    964,890.64x = 1,331,708.48 × 535,309.17
  4. Step 4: Simplify right side
    964,890.64x = 712,875,761,110.76
  5. Step 5: Solve for x
    x = 712,875,761,110.76/964,890.64
  6. Step 6: Final answer
    x = 738,815.09

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1.5x scale

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.