Home / 912,030.12-1,258,726.59-524,837.58

Finding the Fourth Proportional to 912,030.12, 1,258,726.59 and 524,837.58

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Solution

The fourth proportional to 912,030.12, 1,258,726.59 and 524,837.58 is: 724,347.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    912,030.12 : 1,258,726.59 = 524,837.58 : x
  2. Step 2: Convert to fraction form
    912,030.12/1,258,726.59 = 524,837.58/x
  3. Step 3: Cross multiply
    912,030.12x = 1,258,726.59 × 524,837.58
  4. Step 4: Simplify right side
    912,030.12x = 660,627,017,377.25
  5. Step 5: Solve for x
    x = 660,627,017,377.25/912,030.12
  6. Step 6: Final answer
    x = 724,347.81

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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.