Home / 601,746.55-830,301.36-386,837.35

Finding the Fourth Proportional to 601,746.55, 830,301.36 and 386,837.35

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Solution

The fourth proportional to 601,746.55, 830,301.36 and 386,837.35 is: 533,765.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    601,746.55 : 830,301.36 = 386,837.35 : x
  2. Step 2: Convert to fraction form
    601,746.55/830,301.36 = 386,837.35/x
  3. Step 3: Cross multiply
    601,746.55x = 830,301.36 × 386,837.35
  4. Step 4: Simplify right side
    601,746.55x = 321,191,577,803.80
  5. Step 5: Solve for x
    x = 321,191,577,803.80/601,746.55
  6. Step 6: Final answer
    x = 533,765.55

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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.