Home / 1,146,569.12-1,582,319.04-637,280

Finding the Fourth Proportional to 1,146,569.12, 1,582,319.04 and 637,280

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Solution

The fourth proportional to 1,146,569.12, 1,582,319.04 and 637,280 is: 879,476.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,569.12 : 1,582,319.04 = 637,280 : x
  2. Step 2: Convert to fraction form
    1,146,569.12/1,582,319.04 = 637,280/x
  3. Step 3: Cross multiply
    1,146,569.12x = 1,582,319.04 × 637,280
  4. Step 4: Simplify right side
    1,146,569.12x = 1,008,380,277,811.20
  5. Step 5: Solve for x
    x = 1,008,380,277,811.20/1,146,569.12
  6. Step 6: Final answer
    x = 879,476.22

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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.