Home / 1,121,382.18-1,547,509.32-612,084.96

Finding the Fourth Proportional to 1,121,382.18, 1,547,509.32 and 612,084.96

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Solution

The fourth proportional to 1,121,382.18, 1,547,509.32 and 612,084.96 is: 844,678.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,382.18 : 1,547,509.32 = 612,084.96 : x
  2. Step 2: Convert to fraction form
    1,121,382.18/1,547,509.32 = 612,084.96/x
  3. Step 3: Cross multiply
    1,121,382.18x = 1,547,509.32 × 612,084.96
  4. Step 4: Simplify right side
    1,121,382.18x = 947,207,180,231.83
  5. Step 5: Solve for x
    x = 947,207,180,231.83/1,121,382.18
  6. Step 6: Final answer
    x = 844,678.29

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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.