Home / 581,253.51-802,521.18-519,809.07

Finding the Fourth Proportional to 581,253.51, 802,521.18 and 519,809.07

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Solution

The fourth proportional to 581,253.51, 802,521.18 and 519,809.07 is: 717,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    581,253.51 : 802,521.18 = 519,809.07 : x
  2. Step 2: Convert to fraction form
    581,253.51/802,521.18 = 519,809.07/x
  3. Step 3: Cross multiply
    581,253.51x = 802,521.18 × 519,809.07
  4. Step 4: Simplify right side
    581,253.51x = 417,157,788,231.10
  5. Step 5: Solve for x
    x = 417,157,788,231.10/581,253.51
  6. Step 6: Final answer
    x = 717,686.48

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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.