Home / 876,165.96-1,209,656.34-671,824.32

Finding the Fourth Proportional to 876,165.96, 1,209,656.34 and 671,824.32

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Solution

The fourth proportional to 876,165.96, 1,209,656.34 and 671,824.32 is: 927,537.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,165.96 : 1,209,656.34 = 671,824.32 : x
  2. Step 2: Convert to fraction form
    876,165.96/1,209,656.34 = 671,824.32/x
  3. Step 3: Cross multiply
    876,165.96x = 1,209,656.34 × 671,824.32
  4. Step 4: Simplify right side
    876,165.96x = 812,676,548,054.19
  5. Step 5: Solve for x
    x = 812,676,548,054.19/876,165.96
  6. Step 6: Final answer
    x = 927,537.23

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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.