Home / 818,897.52-1,130,321.88-517,292.40

Finding the Fourth Proportional to 818,897.52, 1,130,321.88 and 517,292.40

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Solution

The fourth proportional to 818,897.52, 1,130,321.88 and 517,292.40 is: 714,017.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,897.52 : 1,130,321.88 = 517,292.40 : x
  2. Step 2: Convert to fraction form
    818,897.52/1,130,321.88 = 517,292.40/x
  3. Step 3: Cross multiply
    818,897.52x = 1,130,321.88 × 517,292.40
  4. Step 4: Simplify right side
    818,897.52x = 584,706,918,077.71
  5. Step 5: Solve for x
    x = 584,706,918,077.71/818,897.52
  6. Step 6: Final answer
    x = 714,017.20

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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.