Home / 470,282.12-648,547.26-362,681.72

Finding the Fourth Proportional to 470,282.12, 648,547.26 and 362,681.72

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Solution

The fourth proportional to 470,282.12, 648,547.26 and 362,681.72 is: 500,159.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,282.12 : 648,547.26 = 362,681.72 : x
  2. Step 2: Convert to fraction form
    470,282.12/648,547.26 = 362,681.72/x
  3. Step 3: Cross multiply
    470,282.12x = 648,547.26 × 362,681.72
  4. Step 4: Simplify right side
    470,282.12x = 235,216,235,758.09
  5. Step 5: Solve for x
    x = 235,216,235,758.09/470,282.12
  6. Step 6: Final answer
    x = 500,159.85

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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.