Home / 957,955.77-1,321,950.65-528,235.79

Finding the Fourth Proportional to 957,955.77, 1,321,950.65 and 528,235.79

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Solution

The fourth proportional to 957,955.77, 1,321,950.65 and 528,235.79 is: 728,949.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,955.77 : 1,321,950.65 = 528,235.79 : x
  2. Step 2: Convert to fraction form
    957,955.77/1,321,950.65 = 528,235.79/x
  3. Step 3: Cross multiply
    957,955.77x = 1,321,950.65 × 528,235.79
  4. Step 4: Simplify right side
    957,955.77x = 698,301,636,692.83
  5. Step 5: Solve for x
    x = 698,301,636,692.83/957,955.77
  6. Step 6: Final answer
    x = 728,949.77

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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.