Home / 740,555.42-1,021,966.23-401,023.58

Finding the Fourth Proportional to 740,555.42, 1,021,966.23 and 401,023.58

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Solution

The fourth proportional to 740,555.42, 1,021,966.23 and 401,023.58 is: 553,412.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,555.42 : 1,021,966.23 = 401,023.58 : x
  2. Step 2: Convert to fraction form
    740,555.42/1,021,966.23 = 401,023.58/x
  3. Step 3: Cross multiply
    740,555.42x = 1,021,966.23 × 401,023.58
  4. Step 4: Simplify right side
    740,555.42x = 409,832,556,193.70
  5. Step 5: Solve for x
    x = 409,832,556,193.70/740,555.42
  6. Step 6: Final answer
    x = 553,412.41

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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.