Home / 1,456,416.32-2,009,031.45-911,606.27

Finding the Fourth Proportional to 1,456,416.32, 2,009,031.45 and 911,606.27

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Solution

The fourth proportional to 1,456,416.32, 2,009,031.45 and 911,606.27 is: 1,257,501.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,416.32 : 2,009,031.45 = 911,606.27 : x
  2. Step 2: Convert to fraction form
    1,456,416.32/2,009,031.45 = 911,606.27/x
  3. Step 3: Cross multiply
    1,456,416.32x = 2,009,031.45 × 911,606.27
  4. Step 4: Simplify right side
    1,456,416.32x = 1,831,445,656,402.03
  5. Step 5: Solve for x
    x = 1,831,445,656,402.03/1,456,416.32
  6. Step 6: Final answer
    x = 1,257,501.47

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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.