Home / 1,240,064.64-1,860,106.95-341,555.94

Finding the Fourth Proportional to 1,240,064.64, 1,860,106.95 and 341,555.94

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Solution

The fourth proportional to 1,240,064.64, 1,860,106.95 and 341,555.94 is: 512,336.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,064.64 : 1,860,106.95 = 341,555.94 : x
  2. Step 2: Convert to fraction form
    1,240,064.64/1,860,106.95 = 341,555.94/x
  3. Step 3: Cross multiply
    1,240,064.64x = 1,860,106.95 × 341,555.94
  4. Step 4: Simplify right side
    1,240,064.64x = 635,330,577,807.78
  5. Step 5: Solve for x
    x = 635,330,577,807.78/1,240,064.64
  6. Step 6: Final answer
    x = 512,336.66

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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.