Home / 945,518.91-1,304,814.27-515,798.91

Finding the Fourth Proportional to 945,518.91, 1,304,814.27 and 515,798.91

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Solution

The fourth proportional to 945,518.91, 1,304,814.27 and 515,798.91 is: 711,801.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,518.91 : 1,304,814.27 = 515,798.91 : x
  2. Step 2: Convert to fraction form
    945,518.91/1,304,814.27 = 515,798.91/x
  3. Step 3: Cross multiply
    945,518.91x = 1,304,814.27 × 515,798.91
  4. Step 4: Simplify right side
    945,518.91x = 673,021,778,218.45
  5. Step 5: Solve for x
    x = 673,021,778,218.45/945,518.91
  6. Step 6: Final answer
    x = 711,801.50

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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.