Home / 1,158,313.84-1,598,483.34-642,079

Finding the Fourth Proportional to 1,158,313.84, 1,598,483.34 and 642,079

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Solution

The fourth proportional to 1,158,313.84, 1,598,483.34 and 642,079 is: 886,074.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,313.84 : 1,598,483.34 = 642,079 : x
  2. Step 2: Convert to fraction form
    1,158,313.84/1,598,483.34 = 642,079/x
  3. Step 3: Cross multiply
    1,158,313.84x = 1,598,483.34 × 642,079
  4. Step 4: Simplify right side
    1,158,313.84x = 1,026,352,584,463.86
  5. Step 5: Solve for x
    x = 1,026,352,584,463.86/1,158,313.84
  6. Step 6: Final answer
    x = 886,074.70

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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.