Home / 803,573.28-1,109,095.20-463,995.36

Finding the Fourth Proportional to 803,573.28, 1,109,095.20 and 463,995.36

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Solution

The fourth proportional to 803,573.28, 1,109,095.20 and 463,995.36 is: 640,408.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,573.28 : 1,109,095.20 = 463,995.36 : x
  2. Step 2: Convert to fraction form
    803,573.28/1,109,095.20 = 463,995.36/x
  3. Step 3: Cross multiply
    803,573.28x = 1,109,095.20 × 463,995.36
  4. Step 4: Simplify right side
    803,573.28x = 514,615,026,598.27
  5. Step 5: Solve for x
    x = 514,615,026,598.27/803,573.28
  6. Step 6: Final answer
    x = 640,408.34

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1.5x scale

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.