Home / 1,317,592.83-1,817,547.80-766,248.18

Finding the Fourth Proportional to 1,317,592.83, 1,817,547.80 and 766,248.18

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Solution

The fourth proportional to 1,317,592.83, 1,817,547.80 and 766,248.18 is: 1,056,997.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,317,592.83 : 1,817,547.80 = 766,248.18 : x
  2. Step 2: Convert to fraction form
    1,317,592.83/1,817,547.80 = 766,248.18/x
  3. Step 3: Cross multiply
    1,317,592.83x = 1,817,547.80 × 766,248.18
  4. Step 4: Simplify right side
    1,317,592.83x = 1,392,692,693,813.00
  5. Step 5: Solve for x
    x = 1,392,692,693,813.00/1,317,592.83
  6. Step 6: Final answer
    x = 1,056,997.78

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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.