Home / 910,019.08-1,364,445.40-377,907.40

Finding the Fourth Proportional to 910,019.08, 1,364,445.40 and 377,907.40

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Solution

The fourth proportional to 910,019.08, 1,364,445.40 and 377,907.40 is: 566,618.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,019.08 : 1,364,445.40 = 377,907.40 : x
  2. Step 2: Convert to fraction form
    910,019.08/1,364,445.40 = 377,907.40/x
  3. Step 3: Cross multiply
    910,019.08x = 1,364,445.40 × 377,907.40
  4. Step 4: Simplify right side
    910,019.08x = 515,634,013,555.96
  5. Step 5: Solve for x
    x = 515,634,013,555.96/910,019.08
  6. Step 6: Final answer
    x = 566,618.90

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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.