Home / 918,152.69-1,267,025.28-510,244.07

Finding the Fourth Proportional to 918,152.69, 1,267,025.28 and 510,244.07

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Solution

The fourth proportional to 918,152.69, 1,267,025.28 and 510,244.07 is: 704,122.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    918,152.69 : 1,267,025.28 = 510,244.07 : x
  2. Step 2: Convert to fraction form
    918,152.69/1,267,025.28 = 510,244.07/x
  3. Step 3: Cross multiply
    918,152.69x = 1,267,025.28 × 510,244.07
  4. Step 4: Simplify right side
    918,152.69x = 646,492,135,660.09
  5. Step 5: Solve for x
    x = 646,492,135,660.09/918,152.69
  6. Step 6: Final answer
    x = 704,122.68

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Double scale
Find fourth proportional to 918,153.69, 1,267,026.66 and 510,245.07
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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.