Home / 901,547.18-1,350,173.98-521,667.32

Finding the Fourth Proportional to 901,547.18, 1,350,173.98 and 521,667.32

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Solution

The fourth proportional to 901,547.18, 1,350,173.98 and 521,667.32 is: 781,258.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    901,547.18 : 1,350,173.98 = 521,667.32 : x
  2. Step 2: Convert to fraction form
    901,547.18/1,350,173.98 = 521,667.32/x
  3. Step 3: Cross multiply
    901,547.18x = 1,350,173.98 × 521,667.32
  4. Step 4: Simplify right side
    901,547.18x = 704,341,639,072.00
  5. Step 5: Solve for x
    x = 704,341,639,072.00/901,547.18
  6. Step 6: Final answer
    x = 781,258.77

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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.