Home / 1,121,450.94-1,547,601.84-612,153.32

Finding the Fourth Proportional to 1,121,450.94, 1,547,601.84 and 612,153.32

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Solution

The fourth proportional to 1,121,450.94, 1,547,601.84 and 612,153.32 is: 844,771.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,450.94 : 1,547,601.84 = 612,153.32 : x
  2. Step 2: Convert to fraction form
    1,121,450.94/1,547,601.84 = 612,153.32/x
  3. Step 3: Cross multiply
    1,121,450.94x = 1,547,601.84 × 612,153.32
  4. Step 4: Simplify right side
    1,121,450.94x = 947,369,596,656.10
  5. Step 5: Solve for x
    x = 947,369,596,656.10/1,121,450.94
  6. Step 6: Final answer
    x = 844,771.33

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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.