Home / 1,017,283.84-1,403,801.60-558,387.20

Finding the Fourth Proportional to 1,017,283.84, 1,403,801.60 and 558,387.20

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Solution

The fourth proportional to 1,017,283.84, 1,403,801.60 and 558,387.20 is: 770,546.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,283.84 : 1,403,801.60 = 558,387.20 : x
  2. Step 2: Convert to fraction form
    1,017,283.84/1,403,801.60 = 558,387.20/x
  3. Step 3: Cross multiply
    1,017,283.84x = 1,403,801.60 × 558,387.20
  4. Step 4: Simplify right side
    1,017,283.84x = 783,864,844,779.52
  5. Step 5: Solve for x
    x = 783,864,844,779.52/1,017,283.84
  6. Step 6: Final answer
    x = 770,546.84

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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.