Home / 779,667.38-1,075,929.36-435,508.10

Finding the Fourth Proportional to 779,667.38, 1,075,929.36 and 435,508.10

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Solution

The fourth proportional to 779,667.38, 1,075,929.36 and 435,508.10 is: 600,994.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,667.38 : 1,075,929.36 = 435,508.10 : x
  2. Step 2: Convert to fraction form
    779,667.38/1,075,929.36 = 435,508.10/x
  3. Step 3: Cross multiply
    779,667.38x = 1,075,929.36 × 435,508.10
  4. Step 4: Simplify right side
    779,667.38x = 468,575,951,307.82
  5. Step 5: Solve for x
    x = 468,575,951,307.82/779,667.38
  6. Step 6: Final answer
    x = 600,994.68

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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.