Home / 1,111,315.12-1,533,613.48-602,019.60

Finding the Fourth Proportional to 1,111,315.12, 1,533,613.48 and 602,019.60

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Solution

The fourth proportional to 1,111,315.12, 1,533,613.48 and 602,019.60 is: 830,786.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,315.12 : 1,533,613.48 = 602,019.60 : x
  2. Step 2: Convert to fraction form
    1,111,315.12/1,533,613.48 = 602,019.60/x
  3. Step 3: Cross multiply
    1,111,315.12x = 1,533,613.48 × 602,019.60
  4. Step 4: Simplify right side
    1,111,315.12x = 923,265,373,784.21
  5. Step 5: Solve for x
    x = 923,265,373,784.21/1,111,315.12
  6. Step 6: Final answer
    x = 830,786.30

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Double scale
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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.