Home / 931,459.60-1,397,189.40-577,165.60

Finding the Fourth Proportional to 931,459.60, 1,397,189.40 and 577,165.60

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Solution

The fourth proportional to 931,459.60, 1,397,189.40 and 577,165.60 is: 865,748.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,459.60 : 1,397,189.40 = 577,165.60 : x
  2. Step 2: Convert to fraction form
    931,459.60/1,397,189.40 = 577,165.60/x
  3. Step 3: Cross multiply
    931,459.60x = 1,397,189.40 × 577,165.60
  4. Step 4: Simplify right side
    931,459.60x = 806,409,658,364.64
  5. Step 5: Solve for x
    x = 806,409,658,364.64/931,459.60
  6. Step 6: Final answer
    x = 865,748.40

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Double scale
Find fourth proportional to 931,460.60, 1,397,190.90 and 577,166.60
Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.