Home / 1,348,272.02-1,860,612.39-775,312.24

Finding the Fourth Proportional to 1,348,272.02, 1,860,612.39 and 775,312.24

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Solution

The fourth proportional to 1,348,272.02, 1,860,612.39 and 775,312.24 is: 1,069,929.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,272.02 : 1,860,612.39 = 775,312.24 : x
  2. Step 2: Convert to fraction form
    1,348,272.02/1,860,612.39 = 775,312.24/x
  3. Step 3: Cross multiply
    1,348,272.02x = 1,860,612.39 × 775,312.24
  4. Step 4: Simplify right side
    1,348,272.02x = 1,442,555,559,862.65
  5. Step 5: Solve for x
    x = 1,442,555,559,862.65/1,348,272.02
  6. Step 6: Final answer
    x = 1,069,929.17

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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.