Home / 1,070,646.43-1,605,461.13-621,505.06

Finding the Fourth Proportional to 1,070,646.43, 1,605,461.13 and 621,505.06

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Solution

The fourth proportional to 1,070,646.43, 1,605,461.13 and 621,505.06 is: 931,962.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,646.43 : 1,605,461.13 = 621,505.06 : x
  2. Step 2: Convert to fraction form
    1,070,646.43/1,605,461.13 = 621,505.06/x
  3. Step 3: Cross multiply
    1,070,646.43x = 1,605,461.13 × 621,505.06
  4. Step 4: Simplify right side
    1,070,646.43x = 997,802,215,928.32
  5. Step 5: Solve for x
    x = 997,802,215,928.32/1,070,646.43
  6. Step 6: Final answer
    x = 931,962.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.