Home / 898,707.18-1,240,224.30-511,503.59

Finding the Fourth Proportional to 898,707.18, 1,240,224.30 and 511,503.59

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Solution

The fourth proportional to 898,707.18, 1,240,224.30 and 511,503.59 is: 705,879.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,707.18 : 1,240,224.30 = 511,503.59 : x
  2. Step 2: Convert to fraction form
    898,707.18/1,240,224.30 = 511,503.59/x
  3. Step 3: Cross multiply
    898,707.18x = 1,240,224.30 × 511,503.59
  4. Step 4: Simplify right side
    898,707.18x = 634,379,181,855.24
  5. Step 5: Solve for x
    x = 634,379,181,855.24/898,707.18
  6. Step 6: Final answer
    x = 705,879.73

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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.