Home / 1,021,151.98-1,409,215-556,031.35

Finding the Fourth Proportional to 1,021,151.98, 1,409,215 and 556,031.35

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Solution

The fourth proportional to 1,021,151.98, 1,409,215 and 556,031.35 is: 767,337.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,021,151.98 : 1,409,215 = 556,031.35 : x
  2. Step 2: Convert to fraction form
    1,021,151.98/1,409,215 = 556,031.35/x
  3. Step 3: Cross multiply
    1,021,151.98x = 1,409,215 × 556,031.35
  4. Step 4: Simplify right side
    1,021,151.98x = 783,567,718,890.25
  5. Step 5: Solve for x
    x = 783,567,718,890.25/1,021,151.98
  6. Step 6: Final answer
    x = 767,337.02

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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.