Home / 860,245.02-1,186,797.15-497,601.54

Finding the Fourth Proportional to 860,245.02, 1,186,797.15 and 497,601.54

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Solution

The fourth proportional to 860,245.02, 1,186,797.15 and 497,601.54 is: 686,492.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,245.02 : 1,186,797.15 = 497,601.54 : x
  2. Step 2: Convert to fraction form
    860,245.02/1,186,797.15 = 497,601.54/x
  3. Step 3: Cross multiply
    860,245.02x = 1,186,797.15 × 497,601.54
  4. Step 4: Simplify right side
    860,245.02x = 590,552,089,507.61
  5. Step 5: Solve for x
    x = 590,552,089,507.61/860,245.02
  6. Step 6: Final answer
    x = 686,492.89

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Double scale
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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.