Home / 965,347.72-1,332,171.30-557,535.40

Finding the Fourth Proportional to 965,347.72, 1,332,171.30 and 557,535.40

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Solution

The fourth proportional to 965,347.72, 1,332,171.30 and 557,535.40 is: 769,393.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,347.72 : 1,332,171.30 = 557,535.40 : x
  2. Step 2: Convert to fraction form
    965,347.72/1,332,171.30 = 557,535.40/x
  3. Step 3: Cross multiply
    965,347.72x = 1,332,171.30 × 557,535.40
  4. Step 4: Simplify right side
    965,347.72x = 742,732,658,614.02
  5. Step 5: Solve for x
    x = 742,732,658,614.02/965,347.72
  6. Step 6: Final answer
    x = 769,393.91

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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.