Home / 760,656.93-1,139,303.55-520,200.96

Finding the Fourth Proportional to 760,656.93, 1,139,303.55 and 520,200.96

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Solution

The fourth proportional to 760,656.93, 1,139,303.55 and 520,200.96 is: 779,151.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,656.93 : 1,139,303.55 = 520,200.96 : x
  2. Step 2: Convert to fraction form
    760,656.93/1,139,303.55 = 520,200.96/x
  3. Step 3: Cross multiply
    760,656.93x = 1,139,303.55 × 520,200.96
  4. Step 4: Simplify right side
    760,656.93x = 592,666,800,441.41
  5. Step 5: Solve for x
    x = 592,666,800,441.41/760,656.93
  6. Step 6: Final answer
    x = 779,151.25

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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.