Home / 1,575,140-2,173,693.20-859,748

Finding the Fourth Proportional to 1,575,140, 2,173,693.20 and 859,748

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Solution

The fourth proportional to 1,575,140, 2,173,693.20 and 859,748 is: 1,186,452.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,575,140 : 2,173,693.20 = 859,748 : x
  2. Step 2: Convert to fraction form
    1,575,140/2,173,693.20 = 859,748/x
  3. Step 3: Cross multiply
    1,575,140x = 2,173,693.20 × 859,748
  4. Step 4: Simplify right side
    1,575,140x = 1,868,828,381,313.60
  5. Step 5: Solve for x
    x = 1,868,828,381,313.60/1,575,140
  6. Step 6: Final answer
    x = 1,186,452.24

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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.