Home / 920,341.88-1,270,124.07-552,931.40

Finding the Fourth Proportional to 920,341.88, 1,270,124.07 and 552,931.40

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Solution

The fourth proportional to 920,341.88, 1,270,124.07 and 552,931.40 is: 763,076.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    920,341.88 : 1,270,124.07 = 552,931.40 : x
  2. Step 2: Convert to fraction form
    920,341.88/1,270,124.07 = 552,931.40/x
  3. Step 3: Cross multiply
    920,341.88x = 1,270,124.07 × 552,931.40
  4. Step 4: Simplify right side
    920,341.88x = 702,291,480,198.80
  5. Step 5: Solve for x
    x = 702,291,480,198.80/920,341.88
  6. Step 6: Final answer
    x = 763,076.74

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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.