Home / 1,140,864.76-1,574,412.10-624,610.12

Finding the Fourth Proportional to 1,140,864.76, 1,574,412.10 and 624,610.12

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Solution

The fourth proportional to 1,140,864.76, 1,574,412.10 and 624,610.12 is: 861,972.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,864.76 : 1,574,412.10 = 624,610.12 : x
  2. Step 2: Convert to fraction form
    1,140,864.76/1,574,412.10 = 624,610.12/x
  3. Step 3: Cross multiply
    1,140,864.76x = 1,574,412.10 × 624,610.12
  4. Step 4: Simplify right side
    1,140,864.76x = 983,393,730,710.45
  5. Step 5: Solve for x
    x = 983,393,730,710.45/1,140,864.76
  6. Step 6: Final answer
    x = 861,972.22

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1.5x scale

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.