Home / 760,157.40-1,049,128.50-437,804.76

Finding the Fourth Proportional to 760,157.40, 1,049,128.50 and 437,804.76

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Solution

The fourth proportional to 760,157.40, 1,049,128.50 and 437,804.76 is: 604,234.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,157.40 : 1,049,128.50 = 437,804.76 : x
  2. Step 2: Convert to fraction form
    760,157.40/1,049,128.50 = 437,804.76/x
  3. Step 3: Cross multiply
    760,157.40x = 1,049,128.50 × 437,804.76
  4. Step 4: Simplify right side
    760,157.40x = 459,313,451,151.66
  5. Step 5: Solve for x
    x = 459,313,451,151.66/760,157.40
  6. Step 6: Final answer
    x = 604,234.66

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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.