Home / 1,445,267-1,991,256.90-954,364.88

Finding the Fourth Proportional to 1,445,267, 1,991,256.90 and 954,364.88

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Solution

The fourth proportional to 1,445,267, 1,991,256.90 and 954,364.88 is: 1,314,902.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,445,267 : 1,991,256.90 = 954,364.88 : x
  2. Step 2: Convert to fraction form
    1,445,267/1,991,256.90 = 954,364.88/x
  3. Step 3: Cross multiply
    1,445,267x = 1,991,256.90 × 954,364.88
  4. Step 4: Simplify right side
    1,445,267x = 1,900,385,652,417.67
  5. Step 5: Solve for x
    x = 1,900,385,652,417.67/1,445,267
  6. Step 6: Final answer
    x = 1,314,902.82

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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.