Home / 854,064.30-1,178,558.07-472,068.30

Finding the Fourth Proportional to 854,064.30, 1,178,558.07 and 472,068.30

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Solution

The fourth proportional to 854,064.30, 1,178,558.07 and 472,068.30 is: 651,426.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,064.30 : 1,178,558.07 = 472,068.30 : x
  2. Step 2: Convert to fraction form
    854,064.30/1,178,558.07 = 472,068.30/x
  3. Step 3: Cross multiply
    854,064.30x = 1,178,558.07 × 472,068.30
  4. Step 4: Simplify right side
    854,064.30x = 556,359,904,556.18
  5. Step 5: Solve for x
    x = 556,359,904,556.18/854,064.30
  6. Step 6: Final answer
    x = 651,426.25

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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.