Home / 1,069,475.44-1,475,735.64-639,598.72

Finding the Fourth Proportional to 1,069,475.44, 1,475,735.64 and 639,598.72

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Solution

The fourth proportional to 1,069,475.44, 1,475,735.64 and 639,598.72 is: 882,562.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,069,475.44 : 1,475,735.64 = 639,598.72 : x
  2. Step 2: Convert to fraction form
    1,069,475.44/1,475,735.64 = 639,598.72/x
  3. Step 3: Cross multiply
    1,069,475.44x = 1,475,735.64 × 639,598.72
  4. Step 4: Simplify right side
    1,069,475.44x = 943,878,626,402.38
  5. Step 5: Solve for x
    x = 943,878,626,402.38/1,069,475.44
  6. Step 6: Final answer
    x = 882,562.23

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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.