Home / 1,050,140-1,575,292.80-517,370.36

Finding the Fourth Proportional to 1,050,140, 1,575,292.80 and 517,370.36

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Solution

The fourth proportional to 1,050,140, 1,575,292.80 and 517,370.36 is: 776,096.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,050,140 : 1,575,292.80 = 517,370.36 : x
  2. Step 2: Convert to fraction form
    1,050,140/1,575,292.80 = 517,370.36/x
  3. Step 3: Cross multiply
    1,050,140x = 1,575,292.80 × 517,370.36
  4. Step 4: Simplify right side
    1,050,140x = 815,009,803,041.41
  5. Step 5: Solve for x
    x = 815,009,803,041.41/1,050,140
  6. Step 6: Final answer
    x = 776,096.33

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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.