Home / 771,205.60-1,154,734.80-559,698.40

Finding the Fourth Proportional to 771,205.60, 1,154,734.80 and 559,698.40

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Solution

The fourth proportional to 771,205.60, 1,154,734.80 and 559,698.40 is: 838,042.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,205.60 : 1,154,734.80 = 559,698.40 : x
  2. Step 2: Convert to fraction form
    771,205.60/1,154,734.80 = 559,698.40/x
  3. Step 3: Cross multiply
    771,205.60x = 1,154,734.80 × 559,698.40
  4. Step 4: Simplify right side
    771,205.60x = 646,303,219,984.32
  5. Step 5: Solve for x
    x = 646,303,219,984.32/771,205.60
  6. Step 6: Final answer
    x = 838,042.70

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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.