Home / 711,101.60-1,064,924.40-377,943.20

Finding the Fourth Proportional to 711,101.60, 1,064,924.40 and 377,943.20

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Solution

The fourth proportional to 711,101.60, 1,064,924.40 and 377,943.20 is: 565,996.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,101.60 : 1,064,924.40 = 377,943.20 : x
  2. Step 2: Convert to fraction form
    711,101.60/1,064,924.40 = 377,943.20/x
  3. Step 3: Cross multiply
    711,101.60x = 1,064,924.40 × 377,943.20
  4. Step 4: Simplify right side
    711,101.60x = 402,480,935,494.08
  5. Step 5: Solve for x
    x = 402,480,935,494.08/711,101.60
  6. Step 6: Final answer
    x = 565,996.39

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.