Home / 975,236.61-1,345,238.04-644,094.57

Finding the Fourth Proportional to 975,236.61, 1,345,238.04 and 644,094.57

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Solution

The fourth proportional to 975,236.61, 1,345,238.04 and 644,094.57 is: 888,461.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    975,236.61 : 1,345,238.04 = 644,094.57 : x
  2. Step 2: Convert to fraction form
    975,236.61/1,345,238.04 = 644,094.57/x
  3. Step 3: Cross multiply
    975,236.61x = 1,345,238.04 × 644,094.57
  4. Step 4: Simplify right side
    975,236.61x = 866,460,516,921.44
  5. Step 5: Solve for x
    x = 866,460,516,921.44/975,236.61
  6. Step 6: Final answer
    x = 888,461.84

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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.