Home / 1,036,140.80-1,553,750.40-475,347.20

Finding the Fourth Proportional to 1,036,140.80, 1,553,750.40 and 475,347.20

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Solution

The fourth proportional to 1,036,140.80, 1,553,750.40 and 475,347.20 is: 712,809.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,036,140.80 : 1,553,750.40 = 475,347.20 : x
  2. Step 2: Convert to fraction form
    1,036,140.80/1,553,750.40 = 475,347.20/x
  3. Step 3: Cross multiply
    1,036,140.80x = 1,553,750.40 × 475,347.20
  4. Step 4: Simplify right side
    1,036,140.80x = 738,570,902,138.88
  5. Step 5: Solve for x
    x = 738,570,902,138.88/1,036,140.80
  6. Step 6: Final answer
    x = 712,809.40

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1.5x scale

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.