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Finding the Fourth Proportional to 1,592,472, 2,197,611.36 and 877,080

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Solution

The fourth proportional to 1,592,472, 2,197,611.36 and 877,080 is: 1,210,370.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,592,472 : 2,197,611.36 = 877,080 : x
  2. Step 2: Convert to fraction form
    1,592,472/2,197,611.36 = 877,080/x
  3. Step 3: Cross multiply
    1,592,472x = 2,197,611.36 × 877,080
  4. Step 4: Simplify right side
    1,592,472x = 1,927,480,971,628.80
  5. Step 5: Solve for x
    x = 1,927,480,971,628.80/1,592,472
  6. Step 6: Final answer
    x = 1,210,370.40

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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.