Home / 1,116,165.51-1,674,385.86-317,509.25

Finding the Fourth Proportional to 1,116,165.51, 1,674,385.86 and 317,509.25

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Solution

The fourth proportional to 1,116,165.51, 1,674,385.86 and 317,509.25 is: 476,303.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,165.51 : 1,674,385.86 = 317,509.25 : x
  2. Step 2: Convert to fraction form
    1,116,165.51/1,674,385.86 = 317,509.25/x
  3. Step 3: Cross multiply
    1,116,165.51x = 1,674,385.86 × 317,509.25
  4. Step 4: Simplify right side
    1,116,165.51x = 531,632,990,247.28
  5. Step 5: Solve for x
    x = 531,632,990,247.28/1,116,165.51
  6. Step 6: Final answer
    x = 476,303.01

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Double scale
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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.