Home / 740,537.04-1,021,941.60-401,005.52

Finding the Fourth Proportional to 740,537.04, 1,021,941.60 and 401,005.52

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Solution

The fourth proportional to 740,537.04, 1,021,941.60 and 401,005.52 is: 553,387.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,537.04 : 1,021,941.60 = 401,005.52 : x
  2. Step 2: Convert to fraction form
    740,537.04/1,021,941.60 = 401,005.52/x
  3. Step 3: Cross multiply
    740,537.04x = 1,021,941.60 × 401,005.52
  4. Step 4: Simplify right side
    740,537.04x = 409,804,222,717.63
  5. Step 5: Solve for x
    x = 409,804,222,717.63/740,537.04
  6. Step 6: Final answer
    x = 553,387.88

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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.