Home / 922,393.17-1,272,904.52-514,484.51

Finding the Fourth Proportional to 922,393.17, 1,272,904.52 and 514,484.51

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Solution

The fourth proportional to 922,393.17, 1,272,904.52 and 514,484.51 is: 709,989.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,393.17 : 1,272,904.52 = 514,484.51 : x
  2. Step 2: Convert to fraction form
    922,393.17/1,272,904.52 = 514,484.51/x
  3. Step 3: Cross multiply
    922,393.17x = 1,272,904.52 × 514,484.51
  4. Step 4: Simplify right side
    922,393.17x = 654,889,649,312.04
  5. Step 5: Solve for x
    x = 654,889,649,312.04/922,393.17
  6. Step 6: Final answer
    x = 709,989.70

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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.