Home / 587,815.36-805,901.70-577,186.54

Finding the Fourth Proportional to 587,815.36, 805,901.70 and 577,186.54

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Solution

The fourth proportional to 587,815.36, 805,901.70 and 577,186.54 is: 791,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,815.36 : 805,901.70 = 577,186.54 : x
  2. Step 2: Convert to fraction form
    587,815.36/805,901.70 = 577,186.54/x
  3. Step 3: Cross multiply
    587,815.36x = 805,901.70 × 577,186.54
  4. Step 4: Simplify right side
    587,815.36x = 465,155,613,952.81
  5. Step 5: Solve for x
    x = 465,155,613,952.81/587,815.36
  6. Step 6: Final answer
    x = 791,329.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.