Home / 854,263.17-1,178,907.75-472,314.51

Finding the Fourth Proportional to 854,263.17, 1,178,907.75 and 472,314.51

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Solution

The fourth proportional to 854,263.17, 1,178,907.75 and 472,314.51 is: 651,807.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,263.17 : 1,178,907.75 = 472,314.51 : x
  2. Step 2: Convert to fraction form
    854,263.17/1,178,907.75 = 472,314.51/x
  3. Step 3: Cross multiply
    854,263.17x = 1,178,907.75 × 472,314.51
  4. Step 4: Simplify right side
    854,263.17x = 556,815,236,276.45
  5. Step 5: Solve for x
    x = 556,815,236,276.45/854,263.17
  6. Step 6: Final answer
    x = 651,807.61

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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.