Home / 876,111.40-1,314,210.30-456,207.40

Finding the Fourth Proportional to 876,111.40, 1,314,210.30 and 456,207.40

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Solution

The fourth proportional to 876,111.40, 1,314,210.30 and 456,207.40 is: 684,333.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,111.40 : 1,314,210.30 = 456,207.40 : x
  2. Step 2: Convert to fraction form
    876,111.40/1,314,210.30 = 456,207.40/x
  3. Step 3: Cross multiply
    876,111.40x = 1,314,210.30 × 456,207.40
  4. Step 4: Simplify right side
    876,111.40x = 599,552,464,016.22
  5. Step 5: Solve for x
    x = 599,552,464,016.22/876,111.40
  6. Step 6: Final answer
    x = 684,333.60

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.