Home / 965,565.63-1,332,172.31-557,613.59

Finding the Fourth Proportional to 965,565.63, 1,332,172.31 and 557,613.59

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Solution

The fourth proportional to 965,565.63, 1,332,172.31 and 557,613.59 is: 769,328.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,565.63 : 1,332,172.31 = 557,613.59 : x
  2. Step 2: Convert to fraction form
    965,565.63/1,332,172.31 = 557,613.59/x
  3. Step 3: Cross multiply
    965,565.63x = 1,332,172.31 × 557,613.59
  4. Step 4: Simplify right side
    965,565.63x = 742,837,374,828.76
  5. Step 5: Solve for x
    x = 742,837,374,828.76/965,565.63
  6. Step 6: Final answer
    x = 769,328.72

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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.