Home / 1,130,591.16-1,560,211.20-647,154

Finding the Fourth Proportional to 1,130,591.16, 1,560,211.20 and 647,154

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Solution

The fourth proportional to 1,130,591.16, 1,560,211.20 and 647,154 is: 893,069.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,130,591.16 : 1,560,211.20 = 647,154 : x
  2. Step 2: Convert to fraction form
    1,130,591.16/1,560,211.20 = 647,154/x
  3. Step 3: Cross multiply
    1,130,591.16x = 1,560,211.20 × 647,154
  4. Step 4: Simplify right side
    1,130,591.16x = 1,009,696,918,924.80
  5. Step 5: Solve for x
    x = 1,009,696,918,924.80/1,130,591.16
  6. Step 6: Final answer
    x = 893,069.89

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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.