Home / 766,036.34-1,057,089.64-439,332.48

Finding the Fourth Proportional to 766,036.34, 1,057,089.64 and 439,332.48

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Solution

The fourth proportional to 766,036.34, 1,057,089.64 and 439,332.48 is: 606,255.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,036.34 : 1,057,089.64 = 439,332.48 : x
  2. Step 2: Convert to fraction form
    766,036.34/1,057,089.64 = 439,332.48/x
  3. Step 3: Cross multiply
    766,036.34x = 1,057,089.64 × 439,332.48
  4. Step 4: Simplify right side
    766,036.34x = 464,413,813,123.51
  5. Step 5: Solve for x
    x = 464,413,813,123.51/766,036.34
  6. Step 6: Final answer
    x = 606,255.59

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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.