Home / 711,299.44-981,950.04-549,789.76

Finding the Fourth Proportional to 711,299.44, 981,950.04 and 549,789.76

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Solution

The fourth proportional to 711,299.44, 981,950.04 and 549,789.76 is: 758,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,299.44 : 981,950.04 = 549,789.76 : x
  2. Step 2: Convert to fraction form
    711,299.44/981,950.04 = 549,789.76/x
  3. Step 3: Cross multiply
    711,299.44x = 981,950.04 × 549,789.76
  4. Step 4: Simplify right side
    711,299.44x = 539,866,076,823.59
  5. Step 5: Solve for x
    x = 539,866,076,823.59/711,299.44
  6. Step 6: Final answer
    x = 758,985.66

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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.