Home / 1,564,587.61-2,346,858.16-427,347.91

Finding the Fourth Proportional to 1,564,587.61, 2,346,858.16 and 427,347.91

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Solution

The fourth proportional to 1,564,587.61, 2,346,858.16 and 427,347.91 is: 641,015.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,564,587.61 : 2,346,858.16 = 427,347.91 : x
  2. Step 2: Convert to fraction form
    1,564,587.61/2,346,858.16 = 427,347.91/x
  3. Step 3: Cross multiply
    1,564,587.61x = 2,346,858.16 × 427,347.91
  4. Step 4: Simplify right side
    1,564,587.61x = 1,002,924,929,742.45
  5. Step 5: Solve for x
    x = 1,002,924,929,742.45/1,564,587.61
  6. Step 6: Final answer
    x = 641,015.51

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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.