Home / 1,018,830.30-1,528,297.70-260,678.19

Finding the Fourth Proportional to 1,018,830.30, 1,528,297.70 and 260,678.19

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Solution

The fourth proportional to 1,018,830.30, 1,528,297.70 and 260,678.19 is: 391,030.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,018,830.30 : 1,528,297.70 = 260,678.19 : x
  2. Step 2: Convert to fraction form
    1,018,830.30/1,528,297.70 = 260,678.19/x
  3. Step 3: Cross multiply
    1,018,830.30x = 1,528,297.70 × 260,678.19
  4. Step 4: Simplify right side
    1,018,830.30x = 398,393,876,913.77
  5. Step 5: Solve for x
    x = 398,393,876,913.77/1,018,830.30
  6. Step 6: Final answer
    x = 391,030.65

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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.