Home / 760,009.47-1,048,957.61-542,806.35

Finding the Fourth Proportional to 760,009.47, 1,048,957.61 and 542,806.35

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Solution

The fourth proportional to 760,009.47, 1,048,957.61 and 542,806.35 is: 749,175.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,009.47 : 1,048,957.61 = 542,806.35 : x
  2. Step 2: Convert to fraction form
    760,009.47/1,048,957.61 = 542,806.35/x
  3. Step 3: Cross multiply
    760,009.47x = 1,048,957.61 × 542,806.35
  4. Step 4: Simplify right side
    760,009.47x = 569,380,848,874.79
  5. Step 5: Solve for x
    x = 569,380,848,874.79/760,009.47
  6. Step 6: Final answer
    x = 749,175.99

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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.