Home / 768,776.96-1,060,813.32-429,259.52

Finding the Fourth Proportional to 768,776.96, 1,060,813.32 and 429,259.52

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Solution

The fourth proportional to 768,776.96, 1,060,813.32 and 429,259.52 is: 592,322.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    768,776.96 : 1,060,813.32 = 429,259.52 : x
  2. Step 2: Convert to fraction form
    768,776.96/1,060,813.32 = 429,259.52/x
  3. Step 3: Cross multiply
    768,776.96x = 1,060,813.32 × 429,259.52
  4. Step 4: Simplify right side
    768,776.96x = 455,364,216,552.81
  5. Step 5: Solve for x
    x = 455,364,216,552.81/768,776.96
  6. Step 6: Final answer
    x = 592,322.92

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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.