Home / 760,668.11-1,049,750.28-434,034.30

Finding the Fourth Proportional to 760,668.11, 1,049,750.28 and 434,034.30

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Solution

The fourth proportional to 760,668.11, 1,049,750.28 and 434,034.30 is: 598,983.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,668.11 : 1,049,750.28 = 434,034.30 : x
  2. Step 2: Convert to fraction form
    760,668.11/1,049,750.28 = 434,034.30/x
  3. Step 3: Cross multiply
    760,668.11x = 1,049,750.28 × 434,034.30
  4. Step 4: Simplify right side
    760,668.11x = 455,627,631,280.79
  5. Step 5: Solve for x
    x = 455,627,631,280.79/760,668.11
  6. Step 6: Final answer
    x = 598,983.48

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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.