Home / 1,430,621.64-2,145,599.54-532,486.34

Finding the Fourth Proportional to 1,430,621.64, 2,145,599.54 and 532,486.34

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Solution

The fourth proportional to 1,430,621.64, 2,145,599.54 and 532,486.34 is: 798,605.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,430,621.64 : 2,145,599.54 = 532,486.34 : x
  2. Step 2: Convert to fraction form
    1,430,621.64/2,145,599.54 = 532,486.34/x
  3. Step 3: Cross multiply
    1,430,621.64x = 2,145,599.54 × 532,486.34
  4. Step 4: Simplify right side
    1,430,621.64x = 1,142,502,446,160.28
  5. Step 5: Solve for x
    x = 1,142,502,446,160.28/1,430,621.64
  6. Step 6: Final answer
    x = 798,605.60

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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.