Home / 860,589.84-1,187,643.24-473,422.32

Finding the Fourth Proportional to 860,589.84, 1,187,643.24 and 473,422.32

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Solution

The fourth proportional to 860,589.84, 1,187,643.24 and 473,422.32 is: 653,338.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,589.84 : 1,187,643.24 = 473,422.32 : x
  2. Step 2: Convert to fraction form
    860,589.84/1,187,643.24 = 473,422.32/x
  3. Step 3: Cross multiply
    860,589.84x = 1,187,643.24 × 473,422.32
  4. Step 4: Simplify right side
    860,589.84x = 562,256,818,013.12
  5. Step 5: Solve for x
    x = 562,256,818,013.12/860,589.84
  6. Step 6: Final answer
    x = 653,338.90

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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.