Home / 583,815.39-805,689.14-368,877.03

Finding the Fourth Proportional to 583,815.39, 805,689.14 and 368,877.03

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Solution

The fourth proportional to 583,815.39, 805,689.14 and 368,877.03 is: 509,065.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    583,815.39 : 805,689.14 = 368,877.03 : x
  2. Step 2: Convert to fraction form
    583,815.39/805,689.14 = 368,877.03/x
  3. Step 3: Cross multiply
    583,815.39x = 805,689.14 × 368,877.03
  4. Step 4: Simplify right side
    583,815.39x = 297,200,217,066.45
  5. Step 5: Solve for x
    x = 297,200,217,066.45/583,815.39
  6. Step 6: Final answer
    x = 509,065.40

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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.