Home / 760,581.72-1,049,615.22-416,411.88

Finding the Fourth Proportional to 760,581.72, 1,049,615.22 and 416,411.88

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Solution

The fourth proportional to 760,581.72, 1,049,615.22 and 416,411.88 is: 574,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,581.72 : 1,049,615.22 = 416,411.88 : x
  2. Step 2: Convert to fraction form
    760,581.72/1,049,615.22 = 416,411.88/x
  3. Step 3: Cross multiply
    760,581.72x = 1,049,615.22 × 416,411.88
  4. Step 4: Simplify right side
    760,581.72x = 437,072,247,036.81
  5. Step 5: Solve for x
    x = 437,072,247,036.81/760,581.72
  6. Step 6: Final answer
    x = 574,655.21

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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.