Home / 1,018,437.60-1,404,859.20-635,800.08

Finding the Fourth Proportional to 1,018,437.60, 1,404,859.20 and 635,800.08

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Solution

The fourth proportional to 1,018,437.60, 1,404,859.20 and 635,800.08 is: 877,039.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,437.60 : 1,404,859.20 = 635,800.08 : x
  2. Step 2: Convert to fraction form
    1,018,437.60/1,404,859.20 = 635,800.08/x
  3. Step 3: Cross multiply
    1,018,437.60x = 1,404,859.20 × 635,800.08
  4. Step 4: Simplify right side
    1,018,437.60x = 893,209,591,748.74
  5. Step 5: Solve for x
    x = 893,209,591,748.74/1,018,437.60
  6. Step 6: Final answer
    x = 877,039.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.