Home / 711,234.83-1,065,728.63-577,461.51

Finding the Fourth Proportional to 711,234.83, 1,065,728.63 and 577,461.51

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Solution

The fourth proportional to 711,234.83, 1,065,728.63 and 577,461.51 is: 865,279.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    711,234.83 : 1,065,728.63 = 577,461.51 : x
  2. Step 2: Convert to fraction form
    711,234.83/1,065,728.63 = 577,461.51/x
  3. Step 3: Cross multiply
    711,234.83x = 1,065,728.63 × 577,461.51
  4. Step 4: Simplify right side
    711,234.83x = 615,417,265,373.69
  5. Step 5: Solve for x
    x = 615,417,265,373.69/711,234.83
  6. Step 6: Final answer
    x = 865,279.99

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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.