Home / 760,359.26-1,049,529.48-438,284.63

Finding the Fourth Proportional to 760,359.26, 1,049,529.48 and 438,284.63

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Solution

The fourth proportional to 760,359.26, 1,049,529.48 and 438,284.63 is: 604,967.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,359.26 : 1,049,529.48 = 438,284.63 : x
  2. Step 2: Convert to fraction form
    760,359.26/1,049,529.48 = 438,284.63/x
  3. Step 3: Cross multiply
    760,359.26x = 1,049,529.48 × 438,284.63
  4. Step 4: Simplify right side
    760,359.26x = 459,992,639,815.89
  5. Step 5: Solve for x
    x = 459,992,639,815.89/760,359.26
  6. Step 6: Final answer
    x = 604,967.50

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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.