Home / 803,573.78-1,109,095.89-463,995.86

Finding the Fourth Proportional to 803,573.78, 1,109,095.89 and 463,995.86

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Solution

The fourth proportional to 803,573.78, 1,109,095.89 and 463,995.86 is: 640,409.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    803,573.78 : 1,109,095.89 = 463,995.86 : x
  2. Step 2: Convert to fraction form
    803,573.78/1,109,095.89 = 463,995.86/x
  3. Step 3: Cross multiply
    803,573.78x = 1,109,095.89 × 463,995.86
  4. Step 4: Simplify right side
    803,573.78x = 514,615,901,303.02
  5. Step 5: Solve for x
    x = 514,615,901,303.02/803,573.78
  6. Step 6: Final answer
    x = 640,409.03

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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.