Home / 838,672.32-1,156,566.42-563,651.40

Finding the Fourth Proportional to 838,672.32, 1,156,566.42 and 563,651.40

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Solution

The fourth proportional to 838,672.32, 1,156,566.42 and 563,651.40 is: 777,300.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,672.32 : 1,156,566.42 = 563,651.40 : x
  2. Step 2: Convert to fraction form
    838,672.32/1,156,566.42 = 563,651.40/x
  3. Step 3: Cross multiply
    838,672.32x = 1,156,566.42 × 563,651.40
  4. Step 4: Simplify right side
    838,672.32x = 651,900,281,825.99
  5. Step 5: Solve for x
    x = 651,900,281,825.99/838,672.32
  6. Step 6: Final answer
    x = 777,300.34

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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.