Home / 740,283.99-1,021,595.22-400,752.24

Finding the Fourth Proportional to 740,283.99, 1,021,595.22 and 400,752.24

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Solution

The fourth proportional to 740,283.99, 1,021,595.22 and 400,752.24 is: 553,039.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,283.99 : 1,021,595.22 = 400,752.24 : x
  2. Step 2: Convert to fraction form
    740,283.99/1,021,595.22 = 400,752.24/x
  3. Step 3: Cross multiply
    740,283.99x = 1,021,595.22 × 400,752.24
  4. Step 4: Simplify right side
    740,283.99x = 409,406,572,788.29
  5. Step 5: Solve for x
    x = 409,406,572,788.29/740,283.99
  6. Step 6: Final answer
    x = 553,039.89

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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.