Home / 1,017,117.41-1,403,519.79-609,208.77

Finding the Fourth Proportional to 1,017,117.41, 1,403,519.79 and 609,208.77

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Solution

The fourth proportional to 1,017,117.41, 1,403,519.79 and 609,208.77 is: 840,646.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,117.41 : 1,403,519.79 = 609,208.77 : x
  2. Step 2: Convert to fraction form
    1,017,117.41/1,403,519.79 = 609,208.77/x
  3. Step 3: Cross multiply
    1,017,117.41x = 1,403,519.79 × 609,208.77
  4. Step 4: Simplify right side
    1,017,117.41x = 855,036,564,936.56
  5. Step 5: Solve for x
    x = 855,036,564,936.56/1,017,117.41
  6. Step 6: Final answer
    x = 840,646.87

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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.