Home / 860,643.60-1,187,688.24-473,464.48

Finding the Fourth Proportional to 860,643.60, 1,187,688.24 and 473,464.48

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Solution

The fourth proportional to 860,643.60, 1,187,688.24 and 473,464.48 is: 653,381.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,643.60 : 1,187,688.24 = 473,464.48 : x
  2. Step 2: Convert to fraction form
    860,643.60/1,187,688.24 = 473,464.48/x
  3. Step 3: Cross multiply
    860,643.60x = 1,187,688.24 × 473,464.48
  4. Step 4: Simplify right side
    860,643.60x = 562,328,194,953.72
  5. Step 5: Solve for x
    x = 562,328,194,953.72/860,643.60
  6. Step 6: Final answer
    x = 653,381.02

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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.