Home / 852,549.89-1,176,518.96-470,576.77

Finding the Fourth Proportional to 852,549.89, 1,176,518.96 and 470,576.77

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Solution

The fourth proportional to 852,549.89, 1,176,518.96 and 470,576.77 is: 649,396.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,549.89 : 1,176,518.96 = 470,576.77 : x
  2. Step 2: Convert to fraction form
    852,549.89/1,176,518.96 = 470,576.77/x
  3. Step 3: Cross multiply
    852,549.89x = 1,176,518.96 × 470,576.77
  4. Step 4: Simplify right side
    852,549.89x = 553,642,495,128.96
  5. Step 5: Solve for x
    x = 553,642,495,128.96/852,549.89
  6. Step 6: Final answer
    x = 649,396.01

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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.