Home / 891,036.80-1,334,222.40-653,091.20

Finding the Fourth Proportional to 891,036.80, 1,334,222.40 and 653,091.20

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Solution

The fourth proportional to 891,036.80, 1,334,222.40 and 653,091.20 is: 977,926.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,036.80 : 1,334,222.40 = 653,091.20 : x
  2. Step 2: Convert to fraction form
    891,036.80/1,334,222.40 = 653,091.20/x
  3. Step 3: Cross multiply
    891,036.80x = 1,334,222.40 × 653,091.20
  4. Step 4: Simplify right side
    891,036.80x = 871,368,908,282.88
  5. Step 5: Solve for x
    x = 871,368,908,282.88/891,036.80
  6. Step 6: Final answer
    x = 977,926.96

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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.