Home / 1,017,284.16-1,403,823.84-558,398.40

Finding the Fourth Proportional to 1,017,284.16, 1,403,823.84 and 558,398.40

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Solution

The fourth proportional to 1,017,284.16, 1,403,823.84 and 558,398.40 is: 770,574.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,284.16 : 1,403,823.84 = 558,398.40 : x
  2. Step 2: Convert to fraction form
    1,017,284.16/1,403,823.84 = 558,398.40/x
  3. Step 3: Cross multiply
    1,017,284.16x = 1,403,823.84 × 558,398.40
  4. Step 4: Simplify right side
    1,017,284.16x = 783,892,986,137.86
  5. Step 5: Solve for x
    x = 783,892,986,137.86/1,017,284.16
  6. Step 6: Final answer
    x = 770,574.26

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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.