Home / 977,430.30-1,466,145.45-577,865.40

Finding the Fourth Proportional to 977,430.30, 1,466,145.45 and 577,865.40

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Solution

The fourth proportional to 977,430.30, 1,466,145.45 and 577,865.40 is: 866,798.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    977,430.30 : 1,466,145.45 = 577,865.40 : x
  2. Step 2: Convert to fraction form
    977,430.30/1,466,145.45 = 577,865.40/x
  3. Step 3: Cross multiply
    977,430.30x = 1,466,145.45 × 577,865.40
  4. Step 4: Simplify right side
    977,430.30x = 847,234,726,922.43
  5. Step 5: Solve for x
    x = 847,234,726,922.43/977,430.30
  6. Step 6: Final answer
    x = 866,798.10

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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.