Home / 1,157,764.70-1,736,647.05-409,886.30

Finding the Fourth Proportional to 1,157,764.70, 1,736,647.05 and 409,886.30

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Solution

The fourth proportional to 1,157,764.70, 1,736,647.05 and 409,886.30 is: 614,829.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,157,764.70 : 1,736,647.05 = 409,886.30 : x
  2. Step 2: Convert to fraction form
    1,157,764.70/1,736,647.05 = 409,886.30/x
  3. Step 3: Cross multiply
    1,157,764.70x = 1,736,647.05 × 409,886.30
  4. Step 4: Simplify right side
    1,157,764.70x = 711,827,833,730.42
  5. Step 5: Solve for x
    x = 711,827,833,730.42/1,157,764.70
  6. Step 6: Final answer
    x = 614,829.45

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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.