Home / 877,286.40-1,315,929.60-593,851.20

Finding the Fourth Proportional to 877,286.40, 1,315,929.60 and 593,851.20

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Solution

The fourth proportional to 877,286.40, 1,315,929.60 and 593,851.20 is: 890,776.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,286.40 : 1,315,929.60 = 593,851.20 : x
  2. Step 2: Convert to fraction form
    877,286.40/1,315,929.60 = 593,851.20/x
  3. Step 3: Cross multiply
    877,286.40x = 1,315,929.60 × 593,851.20
  4. Step 4: Simplify right side
    877,286.40x = 781,466,372,075.52
  5. Step 5: Solve for x
    x = 781,466,372,075.52/877,286.40
  6. Step 6: Final answer
    x = 890,776.80

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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.