Home / 928,204.74-1,281,000.89-520,300.08

Finding the Fourth Proportional to 928,204.74, 1,281,000.89 and 520,300.08

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Solution

The fourth proportional to 928,204.74, 1,281,000.89 and 520,300.08 is: 718,058.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,204.74 : 1,281,000.89 = 520,300.08 : x
  2. Step 2: Convert to fraction form
    928,204.74/1,281,000.89 = 520,300.08/x
  3. Step 3: Cross multiply
    928,204.74x = 1,281,000.89 × 520,300.08
  4. Step 4: Simplify right side
    928,204.74x = 666,504,865,547.07
  5. Step 5: Solve for x
    x = 666,504,865,547.07/928,204.74
  6. Step 6: Final answer
    x = 718,058.03

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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.