Home / 917,429.49-1,265,863.85-530,106.32

Finding the Fourth Proportional to 917,429.49, 1,265,863.85 and 530,106.32

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Solution

The fourth proportional to 917,429.49, 1,265,863.85 and 530,106.32 is: 731,437.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,429.49 : 1,265,863.85 = 530,106.32 : x
  2. Step 2: Convert to fraction form
    917,429.49/1,265,863.85 = 530,106.32/x
  3. Step 3: Cross multiply
    917,429.49x = 1,265,863.85 × 530,106.32
  4. Step 4: Simplify right side
    917,429.49x = 671,042,429,646.56
  5. Step 5: Solve for x
    x = 671,042,429,646.56/917,429.49
  6. Step 6: Final answer
    x = 731,437.61

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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.