Home / 1,688,085.99-2,532,603.20-677,917.35

Finding the Fourth Proportional to 1,688,085.99, 2,532,603.20 and 677,917.35

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Solution

The fourth proportional to 1,688,085.99, 2,532,603.20 and 677,917.35 is: 1,017,066.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,085.99 : 2,532,603.20 = 677,917.35 : x
  2. Step 2: Convert to fraction form
    1,688,085.99/2,532,603.20 = 677,917.35/x
  3. Step 3: Cross multiply
    1,688,085.99x = 2,532,603.20 × 677,917.35
  4. Step 4: Simplify right side
    1,688,085.99x = 1,716,895,649,945.52
  5. Step 5: Solve for x
    x = 1,716,895,649,945.52/1,688,085.99
  6. Step 6: Final answer
    x = 1,017,066.46

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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.