Home / 983,669.84-1,357,467.45-570,287.19

Finding the Fourth Proportional to 983,669.84, 1,357,467.45 and 570,287.19

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Solution

The fourth proportional to 983,669.84, 1,357,467.45 and 570,287.19 is: 786,998.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    983,669.84 : 1,357,467.45 = 570,287.19 : x
  2. Step 2: Convert to fraction form
    983,669.84/1,357,467.45 = 570,287.19/x
  3. Step 3: Cross multiply
    983,669.84x = 1,357,467.45 × 570,287.19
  4. Step 4: Simplify right side
    983,669.84x = 774,146,300,528.89
  5. Step 5: Solve for x
    x = 774,146,300,528.89/983,669.84
  6. Step 6: Final answer
    x = 786,998.11

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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.