Home / 740,033.90-1,021,246.86-400,502.16

Finding the Fourth Proportional to 740,033.90, 1,021,246.86 and 400,502.16

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Solution

The fourth proportional to 740,033.90, 1,021,246.86 and 400,502.16 is: 552,693.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,033.90 : 1,021,246.86 = 400,502.16 : x
  2. Step 2: Convert to fraction form
    740,033.90/1,021,246.86 = 400,502.16/x
  3. Step 3: Cross multiply
    740,033.90x = 1,021,246.86 × 400,502.16
  4. Step 4: Simplify right side
    740,033.90x = 409,011,573,323.22
  5. Step 5: Solve for x
    x = 409,011,573,323.22/740,033.90
  6. Step 6: Final answer
    x = 552,693.02

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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.