Home / 899,813.52-1,241,683.56-517,778.64

Finding the Fourth Proportional to 899,813.52, 1,241,683.56 and 517,778.64

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Solution

The fourth proportional to 899,813.52, 1,241,683.56 and 517,778.64 is: 714,500.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,813.52 : 1,241,683.56 = 517,778.64 : x
  2. Step 2: Convert to fraction form
    899,813.52/1,241,683.56 = 517,778.64/x
  3. Step 3: Cross multiply
    899,813.52x = 1,241,683.56 × 517,778.64
  4. Step 4: Simplify right side
    899,813.52x = 642,917,225,007.16
  5. Step 5: Solve for x
    x = 642,917,225,007.16/899,813.52
  6. Step 6: Final answer
    x = 714,500.52

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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.