Home / 898,994.98-1,240,609.29-496,586.98

Finding the Fourth Proportional to 898,994.98, 1,240,609.29 and 496,586.98

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Solution

The fourth proportional to 898,994.98, 1,240,609.29 and 496,586.98 is: 685,287.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    898,994.98 : 1,240,609.29 = 496,586.98 : x
  2. Step 2: Convert to fraction form
    898,994.98/1,240,609.29 = 496,586.98/x
  3. Step 3: Cross multiply
    898,994.98x = 1,240,609.29 × 496,586.98
  4. Step 4: Simplify right side
    898,994.98x = 616,070,420,681.04
  5. Step 5: Solve for x
    x = 616,070,420,681.04/898,994.98
  6. Step 6: Final answer
    x = 685,287.94

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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.