Home / 948,026.95-1,308,277.23-512,442.87

Finding the Fourth Proportional to 948,026.95, 1,308,277.23 and 512,442.87

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Solution

The fourth proportional to 948,026.95, 1,308,277.23 and 512,442.87 is: 707,171.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    948,026.95 : 1,308,277.23 = 512,442.87 : x
  2. Step 2: Convert to fraction form
    948,026.95/1,308,277.23 = 512,442.87/x
  3. Step 3: Cross multiply
    948,026.95x = 1,308,277.23 × 512,442.87
  4. Step 4: Simplify right side
    948,026.95x = 670,417,334,231.36
  5. Step 5: Solve for x
    x = 670,417,334,231.36/948,026.95
  6. Step 6: Final answer
    x = 707,171.18

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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.