Home / 854,193.78-1,178,812.02-472,245.16

Finding the Fourth Proportional to 854,193.78, 1,178,812.02 and 472,245.16

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Solution

The fourth proportional to 854,193.78, 1,178,812.02 and 472,245.16 is: 651,711.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,193.78 : 1,178,812.02 = 472,245.16 : x
  2. Step 2: Convert to fraction form
    854,193.78/1,178,812.02 = 472,245.16/x
  3. Step 3: Cross multiply
    854,193.78x = 1,178,812.02 × 472,245.16
  4. Step 4: Simplify right side
    854,193.78x = 556,688,270,994.82
  5. Step 5: Solve for x
    x = 556,688,270,994.82/854,193.78
  6. Step 6: Final answer
    x = 651,711.92

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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.