Home / 1,000,356.59-1,380,623.51-570,538.19

Finding the Fourth Proportional to 1,000,356.59, 1,380,623.51 and 570,538.19

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Solution

The fourth proportional to 1,000,356.59, 1,380,623.51 and 570,538.19 is: 787,417.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,000,356.59 : 1,380,623.51 = 570,538.19 : x
  2. Step 2: Convert to fraction form
    1,000,356.59/1,380,623.51 = 570,538.19/x
  3. Step 3: Cross multiply
    1,000,356.59x = 1,380,623.51 × 570,538.19
  4. Step 4: Simplify right side
    1,000,356.59x = 787,698,438,466.85
  5. Step 5: Solve for x
    x = 787,698,438,466.85/1,000,356.59
  6. Step 6: Final answer
    x = 787,417.65

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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.