Home / 845,531.16-1,166,832.72-463,549.74

Finding the Fourth Proportional to 845,531.16, 1,166,832.72 and 463,549.74

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Solution

The fourth proportional to 845,531.16, 1,166,832.72 and 463,549.74 is: 639,698.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,531.16 : 1,166,832.72 = 463,549.74 : x
  2. Step 2: Convert to fraction form
    845,531.16/1,166,832.72 = 463,549.74/x
  3. Step 3: Cross multiply
    845,531.16x = 1,166,832.72 × 463,549.74
  4. Step 4: Simplify right side
    845,531.16x = 540,885,003,979.49
  5. Step 5: Solve for x
    x = 540,885,003,979.49/845,531.16
  6. Step 6: Final answer
    x = 639,698.49

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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.