Home / 919,931.60-1,379,897.40-565,637.60

Finding the Fourth Proportional to 919,931.60, 1,379,897.40 and 565,637.60

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Solution

The fourth proportional to 919,931.60, 1,379,897.40 and 565,637.60 is: 848,456.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,931.60 : 1,379,897.40 = 565,637.60 : x
  2. Step 2: Convert to fraction form
    919,931.60/1,379,897.40 = 565,637.60/x
  3. Step 3: Cross multiply
    919,931.60x = 1,379,897.40 × 565,637.60
  4. Step 4: Simplify right side
    919,931.60x = 780,521,853,582.24
  5. Step 5: Solve for x
    x = 780,521,853,582.24/919,931.60
  6. Step 6: Final answer
    x = 848,456.40

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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.