Home / 977,807.20-1,466,637.90-409,041.40

Finding the Fourth Proportional to 977,807.20, 1,466,637.90 and 409,041.40

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Solution

The fourth proportional to 977,807.20, 1,466,637.90 and 409,041.40 is: 613,531.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,807.20 : 1,466,637.90 = 409,041.40 : x
  2. Step 2: Convert to fraction form
    977,807.20/1,466,637.90 = 409,041.40/x
  3. Step 3: Cross multiply
    977,807.20x = 1,466,637.90 × 409,041.40
  4. Step 4: Simplify right side
    977,807.20x = 599,915,619,909.06
  5. Step 5: Solve for x
    x = 599,915,619,909.06/977,807.20
  6. Step 6: Final answer
    x = 613,531.60

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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.