Home / 760,571.18-1,049,600.70-416,401.40

Finding the Fourth Proportional to 760,571.18, 1,049,600.70 and 416,401.40

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Solution

The fourth proportional to 760,571.18, 1,049,600.70 and 416,401.40 is: 574,640.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,571.18 : 1,049,600.70 = 416,401.40 : x
  2. Step 2: Convert to fraction form
    760,571.18/1,049,600.70 = 416,401.40/x
  3. Step 3: Cross multiply
    760,571.18x = 1,049,600.70 × 416,401.40
  4. Step 4: Simplify right side
    760,571.18x = 437,055,200,920.98
  5. Step 5: Solve for x
    x = 437,055,200,920.98/760,571.18
  6. Step 6: Final answer
    x = 574,640.76

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Double scale
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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.