Home / 909,342.40-1,254,889.92-527,592.64

Finding the Fourth Proportional to 909,342.40, 1,254,889.92 and 527,592.64

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Solution

The fourth proportional to 909,342.40, 1,254,889.92 and 527,592.64 is: 728,076.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,342.40 : 1,254,889.92 = 527,592.64 : x
  2. Step 2: Convert to fraction form
    909,342.40/1,254,889.92 = 527,592.64/x
  3. Step 3: Cross multiply
    909,342.40x = 1,254,889.92 × 527,592.64
  4. Step 4: Simplify right side
    909,342.40x = 662,070,685,802.19
  5. Step 5: Solve for x
    x = 662,070,685,802.19/909,342.40
  6. Step 6: Final answer
    x = 728,076.34

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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.