Home / 938,901.64-1,295,649.30-556,699.72

Finding the Fourth Proportional to 938,901.64, 1,295,649.30 and 556,699.72

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Solution

The fourth proportional to 938,901.64, 1,295,649.30 and 556,699.72 is: 768,224.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,901.64 : 1,295,649.30 = 556,699.72 : x
  2. Step 2: Convert to fraction form
    938,901.64/1,295,649.30 = 556,699.72/x
  3. Step 3: Cross multiply
    938,901.64x = 1,295,649.30 × 556,699.72
  4. Step 4: Simplify right side
    938,901.64x = 721,287,602,528.20
  5. Step 5: Solve for x
    x = 721,287,602,528.20/938,901.64
  6. Step 6: Final answer
    x = 768,224.88

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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.