Home / 1,437,801.98-2,157,150.45-426,929.20

Finding the Fourth Proportional to 1,437,801.98, 2,157,150.45 and 426,929.20

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Solution

The fourth proportional to 1,437,801.98, 2,157,150.45 and 426,929.20 is: 640,526.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,801.98 : 2,157,150.45 = 426,929.20 : x
  2. Step 2: Convert to fraction form
    1,437,801.98/2,157,150.45 = 426,929.20/x
  3. Step 3: Cross multiply
    1,437,801.98x = 2,157,150.45 × 426,929.20
  4. Step 4: Simplify right side
    1,437,801.98x = 920,950,512,106.25
  5. Step 5: Solve for x
    x = 920,950,512,106.25/1,437,801.98
  6. Step 6: Final answer
    x = 640,526.67

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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.