Home / 853,732.36-1,178,048.10-471,706.84

Finding the Fourth Proportional to 853,732.36, 1,178,048.10 and 471,706.84

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Solution

The fourth proportional to 853,732.36, 1,178,048.10 and 471,706.84 is: 650,898.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,732.36 : 1,178,048.10 = 471,706.84 : x
  2. Step 2: Convert to fraction form
    853,732.36/1,178,048.10 = 471,706.84/x
  3. Step 3: Cross multiply
    853,732.36x = 1,178,048.10 × 471,706.84
  4. Step 4: Simplify right side
    853,732.36x = 555,693,346,619.00
  5. Step 5: Solve for x
    x = 555,693,346,619.00/853,732.36
  6. Step 6: Final answer
    x = 650,898.77

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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.