Home / 955,111.95-1,318,047.12-525,382.65

Finding the Fourth Proportional to 955,111.95, 1,318,047.12 and 525,382.65

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Solution

The fourth proportional to 955,111.95, 1,318,047.12 and 525,382.65 is: 725,024.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,111.95 : 1,318,047.12 = 525,382.65 : x
  2. Step 2: Convert to fraction form
    955,111.95/1,318,047.12 = 525,382.65/x
  3. Step 3: Cross multiply
    955,111.95x = 1,318,047.12 × 525,382.65
  4. Step 4: Simplify right side
    955,111.95x = 692,479,088,730.47
  5. Step 5: Solve for x
    x = 692,479,088,730.47/955,111.95
  6. Step 6: Final answer
    x = 725,024.00

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Double scale
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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.