Home / 1,530,070.40-2,111,366.99-885,530.52

Finding the Fourth Proportional to 1,530,070.40, 2,111,366.99 and 885,530.52

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Solution

The fourth proportional to 1,530,070.40, 2,111,366.99 and 885,530.52 is: 1,221,956.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,530,070.40 : 2,111,366.99 = 885,530.52 : x
  2. Step 2: Convert to fraction form
    1,530,070.40/2,111,366.99 = 885,530.52/x
  3. Step 3: Cross multiply
    1,530,070.40x = 2,111,366.99 × 885,530.52
  4. Step 4: Simplify right side
    1,530,070.40x = 1,869,679,910,779.36
  5. Step 5: Solve for x
    x = 1,869,679,910,779.36/1,530,070.40
  6. Step 6: Final answer
    x = 1,221,956.79

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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.