Home / 1,047,739.80-1,570,572.90-514,824.60

Finding the Fourth Proportional to 1,047,739.80, 1,570,572.90 and 514,824.60

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Solution

The fourth proportional to 1,047,739.80, 1,570,572.90 and 514,824.60 is: 771,727.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,739.80 : 1,570,572.90 = 514,824.60 : x
  2. Step 2: Convert to fraction form
    1,047,739.80/1,570,572.90 = 514,824.60/x
  3. Step 3: Cross multiply
    1,047,739.80x = 1,570,572.90 × 514,824.60
  4. Step 4: Simplify right side
    1,047,739.80x = 808,569,565,013.34
  5. Step 5: Solve for x
    x = 808,569,565,013.34/1,047,739.80
  6. Step 6: Final answer
    x = 771,727.45

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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.