Home / 527,326.71-791,107.61-290,547.51

Finding the Fourth Proportional to 527,326.71, 791,107.61 and 290,547.51

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Solution

The fourth proportional to 527,326.71, 791,107.61 and 290,547.51 is: 435,886.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,326.71 : 791,107.61 = 290,547.51 : x
  2. Step 2: Convert to fraction form
    527,326.71/791,107.61 = 290,547.51/x
  3. Step 3: Cross multiply
    527,326.71x = 791,107.61 × 290,547.51
  4. Step 4: Simplify right side
    527,326.71x = 229,854,344,774.81
  5. Step 5: Solve for x
    x = 229,854,344,774.81/527,326.71
  6. Step 6: Final answer
    x = 435,886.03

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.