Home / 860,858.60-1,187,979.26-473,697.63

Finding the Fourth Proportional to 860,858.60, 1,187,979.26 and 473,697.63

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Solution

The fourth proportional to 860,858.60, 1,187,979.26 and 473,697.63 is: 653,699.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,858.60 : 1,187,979.26 = 473,697.63 : x
  2. Step 2: Convert to fraction form
    860,858.60/1,187,979.26 = 473,697.63/x
  3. Step 3: Cross multiply
    860,858.60x = 1,187,979.26 × 473,697.63
  4. Step 4: Simplify right side
    860,858.60x = 562,742,957,582.67
  5. Step 5: Solve for x
    x = 562,742,957,582.67/860,858.60
  6. Step 6: Final answer
    x = 653,699.64

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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.