Home / 1,018,112.40-1,527,168.60-519,411.60

Finding the Fourth Proportional to 1,018,112.40, 1,527,168.60 and 519,411.60

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Solution

The fourth proportional to 1,018,112.40, 1,527,168.60 and 519,411.60 is: 779,117.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,112.40 : 1,527,168.60 = 519,411.60 : x
  2. Step 2: Convert to fraction form
    1,018,112.40/1,527,168.60 = 519,411.60/x
  3. Step 3: Cross multiply
    1,018,112.40x = 1,527,168.60 × 519,411.60
  4. Step 4: Simplify right side
    1,018,112.40x = 793,229,085,995.76
  5. Step 5: Solve for x
    x = 793,229,085,995.76/1,018,112.40
  6. Step 6: Final answer
    x = 779,117.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.