Home / 1,564,644.48-2,345,195.52-1,078,672.32

Finding the Fourth Proportional to 1,564,644.48, 2,345,195.52 and 1,078,672.32

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Solution

The fourth proportional to 1,564,644.48, 2,345,195.52 and 1,078,672.32 is: 1,616,787.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,644.48 : 2,345,195.52 = 1,078,672.32 : x
  2. Step 2: Convert to fraction form
    1,564,644.48/2,345,195.52 = 1,078,672.32/x
  3. Step 3: Cross multiply
    1,564,644.48x = 2,345,195.52 × 1,078,672.32
  4. Step 4: Simplify right side
    1,564,644.48x = 2,529,697,492,412.01
  5. Step 5: Solve for x
    x = 2,529,697,492,412.01/1,564,644.48
  6. Step 6: Final answer
    x = 1,616,787.41

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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.