Home / 908,981.84-1,254,401.16-506,599.76

Finding the Fourth Proportional to 908,981.84, 1,254,401.16 and 506,599.76

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Solution

The fourth proportional to 908,981.84, 1,254,401.16 and 506,599.76 is: 699,111.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,981.84 : 1,254,401.16 = 506,599.76 : x
  2. Step 2: Convert to fraction form
    908,981.84/1,254,401.16 = 506,599.76/x
  3. Step 3: Cross multiply
    908,981.84x = 1,254,401.16 × 506,599.76
  4. Step 4: Simplify right side
    908,981.84x = 635,479,326,599.72
  5. Step 5: Solve for x
    x = 635,479,326,599.72/908,981.84
  6. Step 6: Final answer
    x = 699,111.14

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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.