Home / 1,210,117.18-1,815,186.15-345,549.87

Finding the Fourth Proportional to 1,210,117.18, 1,815,186.15 and 345,549.87

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Solution

The fourth proportional to 1,210,117.18, 1,815,186.15 and 345,549.87 is: 518,327.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,210,117.18 : 1,815,186.15 = 345,549.87 : x
  2. Step 2: Convert to fraction form
    1,210,117.18/1,815,186.15 = 345,549.87/x
  3. Step 3: Cross multiply
    1,210,117.18x = 1,815,186.15 × 345,549.87
  4. Step 4: Simplify right side
    1,210,117.18x = 627,237,338,158.30
  5. Step 5: Solve for x
    x = 627,237,338,158.30/1,210,117.18
  6. Step 6: Final answer
    x = 518,327.77

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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.