Home / 742,557.33-1,024,701.71-403,018.29

Finding the Fourth Proportional to 742,557.33, 1,024,701.71 and 403,018.29

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Solution

The fourth proportional to 742,557.33, 1,024,701.71 and 403,018.29 is: 556,150.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,557.33 : 1,024,701.71 = 403,018.29 : x
  2. Step 2: Convert to fraction form
    742,557.33/1,024,701.71 = 403,018.29/x
  3. Step 3: Cross multiply
    742,557.33x = 1,024,701.71 × 403,018.29
  4. Step 4: Simplify right side
    742,557.33x = 412,973,528,909.18
  5. Step 5: Solve for x
    x = 412,973,528,909.18/742,557.33
  6. Step 6: Final answer
    x = 556,150.36

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1.5x scale

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.