Home / 756,559.32-1,044,059.04-417,039.72

Finding the Fourth Proportional to 756,559.32, 1,044,059.04 and 417,039.72

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Solution

The fourth proportional to 756,559.32, 1,044,059.04 and 417,039.72 is: 575,518.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,559.32 : 1,044,059.04 = 417,039.72 : x
  2. Step 2: Convert to fraction form
    756,559.32/1,044,059.04 = 417,039.72/x
  3. Step 3: Cross multiply
    756,559.32x = 1,044,059.04 × 417,039.72
  4. Step 4: Simplify right side
    756,559.32x = 435,414,089,705.07
  5. Step 5: Solve for x
    x = 435,414,089,705.07/756,559.32
  6. Step 6: Final answer
    x = 575,518.77

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Double scale
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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.