Home / 711,335.32-1,065,818.32-500,530.40

Finding the Fourth Proportional to 711,335.32, 1,065,818.32 and 500,530.40

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Solution

The fourth proportional to 711,335.32, 1,065,818.32 and 500,530.40 is: 749,962.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,335.32 : 1,065,818.32 = 500,530.40 : x
  2. Step 2: Convert to fraction form
    711,335.32/1,065,818.32 = 500,530.40/x
  3. Step 3: Cross multiply
    711,335.32x = 1,065,818.32 × 500,530.40
  4. Step 4: Simplify right side
    711,335.32x = 533,474,470,036.93
  5. Step 5: Solve for x
    x = 533,474,470,036.93/711,335.32
  6. Step 6: Final answer
    x = 749,962.02

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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.