Home / 845,784-1,167,074.64-463,710.24

Finding the Fourth Proportional to 845,784, 1,167,074.64 and 463,710.24

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Solution

The fourth proportional to 845,784, 1,167,074.64 and 463,710.24 is: 639,861.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,784 : 1,167,074.64 = 463,710.24 : x
  2. Step 2: Convert to fraction form
    845,784/1,167,074.64 = 463,710.24/x
  3. Step 3: Cross multiply
    845,784x = 1,167,074.64 × 463,710.24
  4. Step 4: Simplify right side
    845,784x = 541,184,461,412.31
  5. Step 5: Solve for x
    x = 541,184,461,412.31/845,784
  6. Step 6: Final answer
    x = 639,861.31

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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.