Home / 950,868.46-1,312,139.01-521,118.10

Finding the Fourth Proportional to 950,868.46, 1,312,139.01 and 521,118.10

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Solution

The fourth proportional to 950,868.46, 1,312,139.01 and 521,118.10 is: 719,110.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,868.46 : 1,312,139.01 = 521,118.10 : x
  2. Step 2: Convert to fraction form
    950,868.46/1,312,139.01 = 521,118.10/x
  3. Step 3: Cross multiply
    950,868.46x = 1,312,139.01 × 521,118.10
  4. Step 4: Simplify right side
    950,868.46x = 683,779,387,827.08
  5. Step 5: Solve for x
    x = 683,779,387,827.08/950,868.46
  6. Step 6: Final answer
    x = 719,110.39

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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.