Home / 945,437.89-1,304,712.62-515,719.93

Finding the Fourth Proportional to 945,437.89, 1,304,712.62 and 515,719.93

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Solution

The fourth proportional to 945,437.89, 1,304,712.62 and 515,719.93 is: 711,698.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,437.89 : 1,304,712.62 = 515,719.93 : x
  2. Step 2: Convert to fraction form
    945,437.89/1,304,712.62 = 515,719.93/x
  3. Step 3: Cross multiply
    945,437.89x = 1,304,712.62 × 515,719.93
  4. Step 4: Simplify right side
    945,437.89x = 672,866,301,056.52
  5. Step 5: Solve for x
    x = 672,866,301,056.52/945,437.89
  6. Step 6: Final answer
    x = 711,698.05

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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.