Home / 919,211.70-1,377,177.30-444,851.40

Finding the Fourth Proportional to 919,211.70, 1,377,177.30 and 444,851.40

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Solution

The fourth proportional to 919,211.70, 1,377,177.30 and 444,851.40 is: 666,483.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,211.70 : 1,377,177.30 = 444,851.40 : x
  2. Step 2: Convert to fraction form
    919,211.70/1,377,177.30 = 444,851.40/x
  3. Step 3: Cross multiply
    919,211.70x = 1,377,177.30 × 444,851.40
  4. Step 4: Simplify right side
    919,211.70x = 612,639,249,953.22
  5. Step 5: Solve for x
    x = 612,639,249,953.22/919,211.70
  6. Step 6: Final answer
    x = 666,483.30

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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.