Home / 1,009,204.28-1,392,681.33-556,495.28

Finding the Fourth Proportional to 1,009,204.28, 1,392,681.33 and 556,495.28

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Solution

The fourth proportional to 1,009,204.28, 1,392,681.33 and 556,495.28 is: 767,952.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,204.28 : 1,392,681.33 = 556,495.28 : x
  2. Step 2: Convert to fraction form
    1,009,204.28/1,392,681.33 = 556,495.28/x
  3. Step 3: Cross multiply
    1,009,204.28x = 1,392,681.33 × 556,495.28
  4. Step 4: Simplify right side
    1,009,204.28x = 775,020,584,948.27
  5. Step 5: Solve for x
    x = 775,020,584,948.27/1,009,204.28
  6. Step 6: Final answer
    x = 767,952.14

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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.