Home / 847,855.02-1,170,068.67-465,895.50

Finding the Fourth Proportional to 847,855.02, 1,170,068.67 and 465,895.50

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Solution

The fourth proportional to 847,855.02, 1,170,068.67 and 465,895.50 is: 642,951.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    847,855.02 : 1,170,068.67 = 465,895.50 : x
  2. Step 2: Convert to fraction form
    847,855.02/1,170,068.67 = 465,895.50/x
  3. Step 3: Cross multiply
    847,855.02x = 1,170,068.67 × 465,895.50
  4. Step 4: Simplify right side
    847,855.02x = 545,129,728,043.99
  5. Step 5: Solve for x
    x = 545,129,728,043.99/847,855.02
  6. Step 6: Final answer
    x = 642,951.58

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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.