Home / 692,347.90-1,036,708.80-556,690.90

Finding the Fourth Proportional to 692,347.90, 1,036,708.80 and 556,690.90

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Solution

The fourth proportional to 692,347.90, 1,036,708.80 and 556,690.90 is: 833,578.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,347.90 : 1,036,708.80 = 556,690.90 : x
  2. Step 2: Convert to fraction form
    692,347.90/1,036,708.80 = 556,690.90/x
  3. Step 3: Cross multiply
    692,347.90x = 1,036,708.80 × 556,690.90
  4. Step 4: Simplify right side
    692,347.90x = 577,126,354,909.92
  5. Step 5: Solve for x
    x = 577,126,354,909.92/692,347.90
  6. Step 6: Final answer
    x = 833,578.54

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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.