Home / 959,804.90-1,324,505.42-530,075.78

Finding the Fourth Proportional to 959,804.90, 1,324,505.42 and 530,075.78

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Solution

The fourth proportional to 959,804.90, 1,324,505.42 and 530,075.78 is: 731,490.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,804.90 : 1,324,505.42 = 530,075.78 : x
  2. Step 2: Convert to fraction form
    959,804.90/1,324,505.42 = 530,075.78/x
  3. Step 3: Cross multiply
    959,804.90x = 1,324,505.42 × 530,075.78
  4. Step 4: Simplify right side
    959,804.90x = 702,088,243,620.73
  5. Step 5: Solve for x
    x = 702,088,243,620.73/959,804.90
  6. Step 6: Final answer
    x = 731,490.58

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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.