Home / 526,913.40-789,851.70-470,926.20

Finding the Fourth Proportional to 526,913.40, 789,851.70 and 470,926.20

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Solution

The fourth proportional to 526,913.40, 789,851.70 and 470,926.20 is: 705,925.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    526,913.40 : 789,851.70 = 470,926.20 : x
  2. Step 2: Convert to fraction form
    526,913.40/789,851.70 = 470,926.20/x
  3. Step 3: Cross multiply
    526,913.40x = 789,851.70 × 470,926.20
  4. Step 4: Simplify right side
    526,913.40x = 371,961,859,644.54
  5. Step 5: Solve for x
    x = 371,961,859,644.54/526,913.40
  6. Step 6: Final answer
    x = 705,925.98

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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.