Home / 854,030.05-1,178,585.27-472,081.39

Finding the Fourth Proportional to 854,030.05, 1,178,585.27 and 472,081.39

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Solution

The fourth proportional to 854,030.05, 1,178,585.27 and 472,081.39 is: 651,485.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,030.05 : 1,178,585.27 = 472,081.39 : x
  2. Step 2: Convert to fraction form
    854,030.05/1,178,585.27 = 472,081.39/x
  3. Step 3: Cross multiply
    854,030.05x = 1,178,585.27 × 472,081.39
  4. Step 4: Simplify right side
    854,030.05x = 556,388,172,495.13
  5. Step 5: Solve for x
    x = 556,388,172,495.13/854,030.05
  6. Step 6: Final answer
    x = 651,485.47

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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.