Home / 891,606.96-1,230,417.51-509,641.92

Finding the Fourth Proportional to 891,606.96, 1,230,417.51 and 509,641.92

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Solution

The fourth proportional to 891,606.96, 1,230,417.51 and 509,641.92 is: 703,305.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,606.96 : 1,230,417.51 = 509,641.92 : x
  2. Step 2: Convert to fraction form
    891,606.96/1,230,417.51 = 509,641.92/x
  3. Step 3: Cross multiply
    891,606.96x = 1,230,417.51 × 509,641.92
  4. Step 4: Simplify right side
    891,606.96x = 627,072,342,198.02
  5. Step 5: Solve for x
    x = 627,072,342,198.02/891,606.96
  6. Step 6: Final answer
    x = 703,305.80

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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.