Home / 1,574,639.12-2,362,333.51-509,681.09

Finding the Fourth Proportional to 1,574,639.12, 2,362,333.51 and 509,681.09

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Solution

The fourth proportional to 1,574,639.12, 2,362,333.51 and 509,681.09 is: 764,642.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,574,639.12 : 2,362,333.51 = 509,681.09 : x
  2. Step 2: Convert to fraction form
    1,574,639.12/2,362,333.51 = 509,681.09/x
  3. Step 3: Cross multiply
    1,574,639.12x = 2,362,333.51 × 509,681.09
  4. Step 4: Simplify right side
    1,574,639.12x = 1,204,036,724,863.26
  5. Step 5: Solve for x
    x = 1,204,036,724,863.26/1,574,639.12
  6. Step 6: Final answer
    x = 764,642.96

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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.