Home / 778,181.40-1,073,868.48-434,027.76

Finding the Fourth Proportional to 778,181.40, 1,073,868.48 and 434,027.76

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Solution

The fourth proportional to 778,181.40, 1,073,868.48 and 434,027.76 is: 598,946.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,181.40 : 1,073,868.48 = 434,027.76 : x
  2. Step 2: Convert to fraction form
    778,181.40/1,073,868.48 = 434,027.76/x
  3. Step 3: Cross multiply
    778,181.40x = 1,073,868.48 × 434,027.76
  4. Step 4: Simplify right side
    778,181.40x = 466,088,730,909.01
  5. Step 5: Solve for x
    x = 466,088,730,909.01/778,181.40
  6. Step 6: Final answer
    x = 598,946.12

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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.