Home / 986,272.12-1,360,622.10-578,166.76

Finding the Fourth Proportional to 986,272.12, 1,360,622.10 and 578,166.76

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Solution

The fourth proportional to 986,272.12, 1,360,622.10 and 578,166.76 is: 797,616.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,272.12 : 1,360,622.10 = 578,166.76 : x
  2. Step 2: Convert to fraction form
    986,272.12/1,360,622.10 = 578,166.76/x
  3. Step 3: Cross multiply
    986,272.12x = 1,360,622.10 × 578,166.76
  4. Step 4: Simplify right side
    986,272.12x = 786,666,471,141.40
  5. Step 5: Solve for x
    x = 786,666,471,141.40/986,272.12
  6. Step 6: Final answer
    x = 797,616.05

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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.