Home / 1,688,102.40-2,329,803.08-962,783.85

Finding the Fourth Proportional to 1,688,102.40, 2,329,803.08 and 962,783.85

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Solution

The fourth proportional to 1,688,102.40, 2,329,803.08 and 962,783.85 is: 1,328,768.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,688,102.40 : 2,329,803.08 = 962,783.85 : x
  2. Step 2: Convert to fraction form
    1,688,102.40/2,329,803.08 = 962,783.85/x
  3. Step 3: Cross multiply
    1,688,102.40x = 2,329,803.08 × 962,783.85
  4. Step 4: Simplify right side
    1,688,102.40x = 2,243,096,774,290.34
  5. Step 5: Solve for x
    x = 2,243,096,774,290.34/1,688,102.40
  6. Step 6: Final answer
    x = 1,328,768.19

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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.